Any part of a mechanism that exercises some form of logical control, such as a ratchet, trip, detent or interlock.

An aristocratic caste who claims the origin of Velir / An Elite class of Landlords and Landed gentry. / Traders and Land-owning Agriculturists.

A learning disability. / (UK, euphemistic) Any of a series of medically recognized conditions (as opposed to diseases) that inhibit a person's ability to function in the world.

(plural only, South Africa) women's underwear; panties; knickers