A standard-sized bed, usually for the use of only one person.

(music) A single featuring songs by more than one artist.

(mycology) Describes an annulus with just one layer of tissue.

Consisting of a single word.

(nautical) A light, narrow rowing boat, especially one used in competitive rowing, in which a single rower has two oars / (rowing, especially in plural) A race in which such craft participate

plural of single-click

(computing) The action of pushing the button on a mouse once in order to perform a different task that would be performed from a double-click or triple-click.

(computing) To push the button on a mouse once in order to perform different task that would be performed from a double-click or triple-click.

Suitable for, or restricted to, only one gender.

A parent who is the only guardian of offspring.