D defs.my
Entry 1 sense Webster, 1913

Tumescence

· Tu·mes·cence · IPA /tjuːˈmɛsəns/
01 n. The act of becoming tumid; the state of being swollen; intumescence; -- applied especially to the state of swelling of the vascular tissue …
  1. 1.
    The act of becoming tumid; the state of being swollen; intumescence; -- applied especially to the state of swelling of the vascular tissue in the male and female sex organs when they have been stimulated to readiness for sexual intercourse.