Real Dictionary

trim
adjective: If you describe someone's figure as trim, you mean that it is attractive because there is no extra fat on their body.
adjective: Something that is trim is neat, tidy, and attractive.
verb: If you trim something, for example someone's hair, you cut off small amounts of it in order to make it look neater and tidier.

trim in American English
to prepare; fit out; dress
intransitive verb: to assume a particular position or trim in the water, as a vessel
transitive verb: to put into a neat or orderly condition by clipping, paring, pruning, etc

trim in British English
adjective: neat and spruce in appearance
noun: a decoration or adornment
noun: the county town of Meath, Republic of Ireland; 12th-century castle, medieval cathedral; textiles and machinery. Pop: 5894 (2002)
verb: to put in good order, esp by cutting or pruning