noun
1. the grammatical relation of a word or phrase to a predicate
• Hypernyms: ↑grammatical relation
2. (linguistics) a distribution of related speech sounds or forms in such a way that they only appear in different contexts
• Syn: ↑complementary distribution
• Topics: ↑linguistics
• Hypernyms: ↑distribution, ↑dispersion
Useful english dictionary. 2012.