To reduce slightly; to cut; especially, to remove excess.
A ranch steak is usually trimmed of all excess fat.
2
To decorate or adorn; especially of a Christmas tree.
They traditionally trim the tree on Christmas Eve.
3
(of an aircraft) To adjust pitch using trim tabs.
4
(of a vessel) To modify the angle relative to the water by shifting cargo or ballast; to adjust for sailing; to assume, or cause to assume a certain position, or trim, in the water.