diff --git a/src/GFF/GFF.jl b/src/GFF/GFF.jl
index 71a1e6e..f8a7e1a 100644
--- a/src/GFF/GFF.jl
+++ b/src/GFF/GFF.jl
@@ -8,7 +8,7 @@ using CodecZlib
 
 import ..GenomicAnnotations: Record, Gene, AbstractGene, GeneDataView, Locus, Join, Order
 import ..GenomicAnnotations: SpanLocus, ClosedSpan, Complement
-import ..GenomicAnnotations: sequence, iscomplement, iscomplete, addgene!, pushproperty!, feature, index, locus, oneline, ismultilocus
+import ..GenomicAnnotations: sequence, iscomplement, iscomplete, addgene!, pushproperty!, feature, index, locus, oneline, iscompound
 export sequence, iscomplement, iscomplete, feature, index, locus
 
 include("reader.jl")
diff --git a/src/GFF/writer.jl b/src/GFF/writer.jl
index 288df31..7defb66 100644
--- a/src/GFF/writer.jl
+++ b/src/GFF/writer.jl
@@ -55,7 +55,7 @@ function gffstring(gene::Gene)
             end
         end
     end
-    if ismultilocus(gene)
+    if iscompound(gene)
         s = String(take!(buf))
         res = IOBuffer()
         for loc in locus(gene)
diff --git a/src/GTF/GTF.jl b/src/GTF/GTF.jl
index 04b251c..22658cc 100644
--- a/src/GTF/GTF.jl
+++ b/src/GTF/GTF.jl
@@ -8,7 +8,7 @@ using CodecZlib
 
 import ..GenomicAnnotations: Record, Gene, AbstractGene, GeneDataView, Locus, Join, Order
 import ..GenomicAnnotations: SpanLocus, ClosedSpan, Complement
-import ..GenomicAnnotations: sequence, iscomplement, iscomplete, addgene!, pushproperty!, feature, index, locus, oneline, ismultilocus
+import ..GenomicAnnotations: sequence, iscomplement, iscomplete, addgene!, pushproperty!, feature, index, locus, oneline, iscompound
 export sequence, iscomplement, iscomplete, feature, index, locus
 
 include("reader.jl")
diff --git a/src/GTF/writer.jl b/src/GTF/writer.jl
index 7cfaa42..e08974e 100644
--- a/src/GTF/writer.jl
+++ b/src/GTF/writer.jl
@@ -54,7 +54,7 @@ function gtfstring(gene::Gene)
             end
         end
     end
-    if ismultilocus(gene)
+    if iscompound(gene)
         s = String(take!(buf))
         res = IOBuffer()
         for loc in locus(gene)
diff --git a/src/GenomicAnnotations.jl b/src/GenomicAnnotations.jl
index 9113768..3ab6d6e 100644
--- a/src/GenomicAnnotations.jl
+++ b/src/GenomicAnnotations.jl
@@ -7,7 +7,7 @@ using BioSequences
 
 export GenBank, GFF, GTF, EMBL
 export Gene, AbstractGene, GeneDataView
-export sequence, iscomplement, iscomplete, ismultilocus, addgene!, pushproperty!
+export sequence, iscomplement, iscomplete, iscompound, addgene!, pushproperty!
 export feature, feature!, index, locus, locus!, position, attributes, genedata
 
 export AbstractLocus
diff --git a/src/record.jl b/src/record.jl
index f9ed814..a1328b0 100644
--- a/src/record.jl
+++ b/src/record.jl
@@ -360,15 +360,15 @@ iscomplete(loci::Join) = all(iscomplete, loci.loc)
 iscomplete(loci::Order) = all(iscomplete, loci.loc)
 
 """
-    ismultilocus(gene::AbstractGene)
-    ismultilocus(loc::AbstractLocus)
+    iscompound(gene::AbstractGene)
+    iscompound(loc::AbstractLocus)
 
 Return `true` if `loc` is a `Join`, `Order`, or either wrapping in `Complement`.
 """
-ismultilocus(gene::AbstractGene) = ismultilocus(locus(gene))
-ismultilocus(locus::Union{SpanLocus, PointLocus}) = false
-ismultilocus(locus::Union{Join, Order}) = true
-ismultilocus(locus::Complement{T}) where T <: AbstractLocus = ismultilocus(locus.loc)
+iscompound(gene::AbstractGene) = iscompound(locus(gene))
+iscompound(locus::Union{SpanLocus, PointLocus}) = false
+iscompound(locus::Union{Join, Order}) = true
+iscompound(locus::Complement{T}) where T <: AbstractLocus = iscompound(locus.loc)
 
 function appendstring(field, v::Bool)
     return "\n" * join(fill(' ', 21)) * "/$field"
diff --git a/test/runtests.jl b/test/runtests.jl
index 83d5840..d4aed09 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -148,13 +148,13 @@ using Test
         @test sequence(chr.sequence, Locus("join(complement(1..3),complement(11..13))")) == dna"ttttat"
         @test sequence(chr.sequence, Locus("order(complement(1..3),complement(11..13))")) == [dna"ttt", dna"tat"]
 
-        @test ismultilocus(Locus("join(1..3,7..9)")) == true
-        @test ismultilocus(Locus("order(1..3,7..9)")) == true
-        @test ismultilocus(Locus("complement(join(1..3,7..9))")) == true
-        @test ismultilocus(Locus("join(complement(1..3),complement(7..9))")) == true
-        @test ismultilocus(Locus("1..10")) == false
-        @test ismultilocus(Locus("<1..>10")) == false
-        @test ismultilocus(Locus("1^2")) == false
+        @test iscompound(Locus("join(1..3,7..9)")) == true
+        @test iscompound(Locus("order(1..3,7..9)")) == true
+        @test iscompound(Locus("complement(join(1..3,7..9))")) == true
+        @test iscompound(Locus("join(complement(1..3),complement(7..9))")) == true
+        @test iscompound(Locus("1..10")) == false
+        @test iscompound(Locus("<1..>10")) == false
+        @test iscompound(Locus("1^2")) == false
     end
 
     seq = dna"atgtccatatacaacggtatctccacctcaggtttagatctcaacaacggaaccattgccgacatgagacagttaggtatcgtcgagagttacaagctaaaacgagcagtagtcagctctgcatctgaagccgctgaagttctactaagggtggataacatcatccgtgcaagaccaagaaccgccaatagacaacatatgtaa"