To put together or mix (two or more elements or ingredients): as, to compound drugs.To join or couple together; combine: as, to compound words.To form by uniting or mixing two or more elements or materials.To make; constitute; form; establish.To put together in due order, as words or sentences; compose.To settle amicably; adjust by agreement, as a difference or controversy; compose.To settle by agreement for a reduced amount or upon different terms, as a debt or dues of any kind: as, to compound tithes. See II., 3.To agree, for a consideration, not to prosecute or punish a wrong-doer for: as, to compound a crime or felony.To agree upon concession; come to terms of agreement by abating something of the first demand, or by granting something on both sides; make a compromise: used absolutely, or with for (formerly also on) before the thing accepted or remitted, and with before the person with whom the agreement is made.To make a bargain, in general; agree.To settle with a creditor by agreement, and discharge a debt on the payment of a less sum in full; or to make an agreement to pay a debt by means or in a manner different from that stipulated or required by law.To settle with one who has committed a crime, agreeing for a consideration not to prosecute him. See I., 8.To give out; fail: said of a horse in racing.Composed of two or more elements, parts, or ingredients; not simple.In botany, made up of several similar parts aggregated into a common whole.In arithmetic, a quantity which consists of more than one denomination, as 5 pounds, 6 shillings, and 9 pence, or 4 miles, 3 furlongs, and 10 yards; hence, the operations of adding, subtracting, multiplying, and dividing such quantities are termed compound addition, compound subtraction, compound multiplication, and compound division.n. Something produced by combining two or more ingredients, parts, or elements; a combination of parts or principles forming a whole.n. Specifically In grammar, a compound word (which see, under I.).n. In chem., a compound body.n. In India and the East generally, a walled inclosure or courtyard containing a residence with the necessary outhouses, servants' quarters, etc.To make (a steam-engine) operate on the compound principle, whereby the steam expands first in a small cylinder and does work in propelling the piston, and thence exhausts into a larger low-pressure cylinder, where it expands still further until released at the exhaust when the traverse is completed.