the GNU version of the Collaborative International Dictionary of English
n. Sameness of name or designation; identity in relations.
n. Sameness of name or designation of things or persons which are different; ambiguity.
The Century Dictionary and Cyclopedia
n. Sameness of name with a difference of meaning; ambiguity; equivocation; specifically, in philology, the character of homonyms.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the relation between two words that are spelled the same way but differ in meaning or the relation between two words that are pronounced the same way but differ in meaning
Word Usage
"The traditional translations of equivocal, univocal and derivative are sometimes brought into English as homonymy, synonymy and paronymy."