(mathematics) A field of plotted slopes of a differentiable function.

(nautical) A single-masted sailboat with only one headsail. / (military) A sailing warship, smaller than a frigate, with its guns all on one deck.

A distinctive phrase of a person or group of people (such as a movement or political party); a motto. / (advertising) A catchphrase associated with a product or service being advertised.

(manner) At a slow pace.

(informal, derogatory) A lazy and slovenly person. / (informal, derogatory) A lazy and obese person.

A broad, flat, wooden bar, a slat, especially as used to secure a door, window, etc. / A metal bolt or wooden bar, especially as a crosspiece.

(obsolete, Scotland, Northern England) To bar, bolt or lock a door or window. / (obsolete, transitive, UK, dialectal) To shut with violence; to slam.

A narrow depression, perforation, or aperture; especially, one for the reception of a piece fitting or sliding in it. / A period of time within a schedule or sequence.

To put something (such as a coin) into a slot (narrow aperture) / To assign something or someone into a slot (gap in a schedule or sequence) / To put something where it belongs.

An area of ground that tends evenly upward or downward. / The degree to which a surface tends upward or downward.