Noun
the conical mass of erectile tissue that forms the head of the penis
Source: WordNetBates et al., 2006, pp. 306–307 The glans penis of a male cape ground squirrel is large with a prominent baculum. Source: Internet
Hooper and Musser, 1964, table 1 In Thomasomys ucucha the glans penis is rounded, short, and small and is superficially divided into left and right halves by a trough at the top and a ridge at the bottom. Source: Internet
In male human anatomy, the glans penis (or simply glans, main) OED 2nd edition, 1989. Source: Internet