(music) The primary words of a song, sung by the lead vocalist to the same tune as the primary melody

(music) A singer (or one of a small group of singers) who provides lead vocals to a song

(chemistry) lead acetate

(computing) The path length from a given node to its nearest descendant null node in a binary tree.

(graph theory) The number of edges traversed in a given path in a graph. / (physics) The distance travelled by light in a specified context.

A large lake in Maine.

plural of land bridge

A leave of absence under unusual circumstances, especially such leave that is enforced during a disciplinary investigation.

A period of time during which a person is absent from work or other duty for a reason other than normal holidays/vacation; may be paid or unpaid.

(biogeography) An isthmus or other land connection between what at other times are separate land masses.