equivoque

Equivocal.

A homonym.

A play on words, a pun.

[H]e sported in many other æquivoques of the same nature; and at dinner told the physician, that he was like the root of the tongue, as being cursedly down in the mouth.

Ambiguity or double meaning.

[T]he black wisps of women bargaining behind those veils might turn out to be the ballet and coalesce in some dance gaily admitting their equivoque of concealing and proclaiming their sex.