A key, especially to an outside door. / A child who is given a key to the home and is expected to remain at home alone (without adult supervision until the parents return from work).

Equipped with a key; generally in the phrase latchkey child.

Relating to latitude.

Modern, recent.

plural of Latin American

A sense organ of a fish running lengthwise down each of its sides from the vicinity of the operculum to the base of the tail, used to detect movement and vibration in the surrounding water.

(physics) the heat that is released or absorbed accompanying a change of state or of phase

plural of Latter-day Saint

plural of late unpleasantness

(idiomatic) Recently designed or fabricated; new.