sphragis

Noun

 * 1)  A mating plug in the genital opening of a female, formed from a waxy secretion deposited by a male during mating.

Synonyms

 * copulation plug, copulatory plug, coitus plug, sperm plug, vaginal plug,

Etymology
Borrowed from.

Noun

 * 1) A kind of stone used for seals
 * 2)  Lemnian earth
 * 3) A little ball of plaster in medicine