(evolutionary theory, historical) The theory that structural variations, characteristic of species and genera, are produced in animals and plants by the direct influence of physical environments, and especially, in the case of animals, by effort, or by use or disuse of certain organs.

(Buddhism) A monastery for lamas.

Natural childbirth technique developed in the 1940s by French obstetrician Dr. Ferdinand Lamaze.

The manatee.

(slang, derogatory) Something lame or uncool, typically actions.

plural of lamantin

(Mormonism) A member of the group of descendants of Laman who live in the Americas and include the modern-day American Indians.

plural of Lamarckist

A proponent of Lamarckism.

(somewhat derogatory) The Tibetan Buddhism and Mongolian form of Buddhism.