(informal) A schoolchild who carries keys to his or her house because there is usually no parent home when school finishes.

A clamp that fixes a workpiece to a lathe

(algebra) A lattice in which the "meet" and the "join" operations are distributive with respect to each other.

(algebra) The lattice corresponding to a Boolean algebra.

plural of Latter Day Saint

Alternative spelling of Latter-day Saint

Not restrained; not confined by precise limits. / Tolerant, especially of other people's religious views. / Lax in moral or religious principles.

A person who is tolerant of others' religious views.

(informal, often humorous) Indicating that an action or process was repeated, or needs to be repeated. / (informal, satirical) Indicating that an action or process happens often and is futile.

The continuum of standard forms of Spanish spoken in Latin America.