equivoque

 
Pronunciation: /ˈiːkwɪvəʊk, ˈɛkwɪ-/
(also equivoke)

noun

rare
  • an expression capable of having more than one meaning; a pun.
  • [mass noun] the fact of having more than one meaning; ambiguity.

Origin:

late Middle English (as an adjective in the sense 'equivocal'): from Old French equivoque or late Latin aequivocus (see equivocal)