(euphemistic) In the (usually female) genital area. / Used other than figuratively or idiomatically: see down, there.

(chiefly Britain, Canada) Condition caused by a chromosomal deficiency, whereby the patients bear a certain resemblance to the Mongoloid race, such as a small head and tilted eyelids.

Describing a phased-array radar powerful enough to pick aircraft out of ground clutter from high altitude.

Alternative form of look-down, shoot-down

Alternative form of look-down, shoot-down

(neurology, chiefly US) A genetic disorder caused by the presence of all or part of a third copy of chromosome 21 (a chromosomal excess), whereby the patients bear a certain resemblance to the Mongoloid race, such as a small head and tilted eyelids, and typically have a delay in cognitive ability and physical growth.

Used other than figuratively or idiomatically: see put, down. / (idiomatic) To insult, belittle, or demean. / (of money as deposit) To pay. / To halt, eliminate, stop, or squelch, often by force.

Alternative spelling of put-down

(idiomatic) To refuse, decline, or deny. / (idiomatic) To reduce the power, etc. of something by means of a control, such as the volume, heat, or light.

present participle of dumb down