adj.1. a. Of, relating to, or designating the sex that has organs to produce spermatozoa for fertilizing ova.
b. Characteristic of or appropriate to this sex in humans and other animals: male hormones; male fashions.
c. Consisting of members of this sex: a male choir.
2. Of or denoting the gamete that is smaller and more motile than the other corresponding gamete. Used of anisogamous organisms.
3. Botany a. Relating to or designating organs, such as anthers or antheridia, that produce gametes capable of fertilizing those produced by female organs.
b. Bearing stamens but not pistils; staminate: male flowers.
4. Designating an object, such as an electric plug, designed for insertion into another part or a socket.