(botany) Any leaves of a seed plant other than the cotyledons. / (botany) Any leaf containing vascular tissue.

(figuratively) The act of believing in something despite lack of proof of its truth or existence, or the attempt of something without being sure of its possible outcome.

(obsolete, nautical) To fill the hollow in the bottom of a sounding lead with tallow in order to discover the nature of the bottom by the substances adhering.

(idiomatic) The amount of time between the initiation of some process and its completion, e.g. the time required to manufacture or procure a product; the time required before something can be provided or delivered.

Less common form of hell-for-leather

(poetic) Heaven.

A leave of absence from a job for a father to care of a baby.

(now historical) The metal lead. / Graphite, especially as used in pencils. / (countable) A graphite pencil.

(idiomatic) To become the leader, to advance into first place. / (idiomatic) To assume leadership over a group.

An opportunity to live longer than was expected, due to some kind of reprieve. / (figuratively) An opportunity to an improved quality of life, due to some change in circumstances.