D defs.my
Entry 1 sense Webster, 1913

Countess

/(kount"?s)/ · Count·ess · IPA /ˈkaʊntɪs/
01 n. The wife of an earl in the British peerage, or of a count in the Continental nobility; also, a lady possessed of the same dignity in her ow…
pl. Countesses ((-�s))
  1. 1.
    The wife of an earl in the British peerage, or of a count in the Continental nobility; also, a lady possessed of the same dignity in her own right. See the Note under Count. See: Count