The conical mass of erectile tissue that forms the head of the penis WordNet 3.0 & Open English WordNet

In male human anatomy, the glans penis, commonly referred to as the glans, is the bulbous structure at the distal end of the human penis that is the human male's most sensitive erogenous zone and primary anatomical source of sexual pleasure. Wikipedia

The sensitive bulbous structure at the distal end of the penis Wikipedia Disambiguation

End of the penis Wikidata

A conical vascularized body forming the extremity of the penis. Wiktionary

Conical vascularized body forming the extremity of the penis. Wiktionary (translation)