glans

Short definition from Wiktionary

Noun

1. 1
   A structure at the extremity of the penis and of the clitoris in humans and other mammals: Ellipsis of glans penis or penile glans.
2. 2
   A structure at the extremity of the penis and of the clitoris in humans and other mammals: Ellipsis of glans clitoridis or clitoral glans.
3. 3
   The acorn or mast of the oak and similar fruits.
4. 4
   Synonym of goiter.
5. 5
   Synonym of pessary.