compound

Concise Oxford English Dictionary © 2008 Oxford University Press:
compound1

▶noun /ˈkɒmpaʊnd/ a thing composed of two or more separate elements.

■ a substance formed from two or more elements chemically united in fixed proportions.

■ a word made up of two or more existing words.

▶adjective /ˈkɒmpaʊnd/ made up of several elements.

■ (of interest) payable on both capital and the accumulated interest.

Compare with simple.

■ Biology (of a leaf, flower, or eye) consisting of two or more simple parts or individuals in combination.

▶verb /kəmˈpaʊnd/ 

• 1 make up (a composite whole); constitute.

  ■ mix or combine (ingredients or constituents).

  ■ reckon (interest) on previously accumulated interest.

• 2 make (something bad) worse.

• 3 Law forbear from prosecuting (a felony) in exchange for money or other consideration.

  ■ settle (a debt or other matter) in this way.

– derivatives
compoundable adjective,
compounder noun.

– origin ME compoune (v.), from OFr. compoun-, compondre, from L. componere ‘put together’; the final -d was added on the pattern of expound.

Concise Oxford English Dictionary © 2008 Oxford University Press:
compound2 /ˈkɒmpaʊnd/

▶noun a large open area enclosed by a fence, e.g. around a factory or within a prison.

■ S. African an area containing single-sex living quarters for migrant workers, especially miners.

■another term for pound3.

– origin C17: from Port. campon or Du. kampoeng, from Malay kampong ‘enclosure, hamlet’; cf. kampong.