(Homonym: mail).
1. For or composed of men or boys.
2. Characteristic of a man; SYN. manful, manlike, manly, virile.
3. (Biology) Being the sex (of plant or animal) that produces gametes (spermatozoa) that perform the fertilizing function in generation.

1. A person who belongs to the sex that cannot have babies; SYN. male person.
2. An animal that produces gametes (spermatozoa) that can fertilize female gametes (ova).