(American football) The first play in a series that has a maximum of four downs.

Used other than figuratively or idiomatically: see track, down. / (idiomatic) To hunt for or locate; to search for; to find.

(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.

(transitive, arithmetic) To round (a number) to the greatest integer that is not greater than it, or to some other lower value, especially a whole number of hundreds, thousands, etc.

Which has broken down and, as a result, is no longer in working order. / Not properly maintained; neglected. / Ruined in character or strength.

To reach by moving down or reducing. / (idiomatic) To entirely depend upon a single factor; basically, ultimately or in essence.

(transitive and intransitive) To reduce in volume by boiling. / (intransitive) To become reduced (to the most central elements or ingredients: to the essence, core, or implication for action).

(transitive) To give up, surrender, or yield (e.g. a weapon), usually by placing it on the ground. / To place on the ground, e.g. a railway on a trackbed.

simple past tense of lie down

(intransitive) To assume a reclining position. / (intransitive) To be lazy or remiss. / (intransitive) To submit passively.