Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

520. [Having a double sense] Equivocalness — N. equivocalness &c adj.;

double meaning &c 516; ambiguity, double entente, double entendre [Fr.], pun, paragram†, calembour†, quibble, equivoque [Fr.], anagram; conundrum &c (riddle) 533; play on words, word play &c (wit) 842; homonym, homonymy [Gramm.]; amphiboly†, amphibology†; ambilogy†, ambiloquy†. Sphinx, Delphic oracle. equivocation &c (duplicity) 544; white lie, mental reservation &c (concealment) 528; paltering. V. be equivocal &c adj.; have two meanings &c 516; equivocate &c (alter) 544. Adj. equivocal, ambiguous, amphibolous†, homonymous†; double-tongued &c (lying) 544; enigmatical, indeterminate. Phr. on the one hand, on the other hand.