(transitive) To reduce slightly; to cut; especially, to remove excess.
(transitive) To decorate or adorn; especially of a Christmas tree.
(transitive) To adjust the positions of control surfaces, sometimes using trim tabs, so as to modify or eliminate the aircraft's tendency to pitch, roll, or yaw when the cockpit controls are released.
(transitive) 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.
(transitive) To modify the angle (of the sails) relative to the wind, especially to set them at the most advantageous angle.
(dated) To balance; to fluctuate between parties, so as to appear to favour each.
(transitive) To make trim; to put in due order for any purpose; to make right, neat, or pleasing; to adjust.
(transitive) To dress; to make smooth.
(dated, transitive) To rebuke; to reprove.
(dated, transitive) To beat or thrash.
(historical, transitive) To cut back the wick of (a lamp) to maintain a clean, bright flame.
(broadly, transitive) To change the carbon rods of (an arc lamp).

(uncountable) Decoration; especially, decoration placed along edges or borders.
(countable) A haircut, especially a moderate one to touch up an existing style.
(countable, uncountable) Dress; gear; ornaments.
(countable) The manner in which something is equipped or adorned; order; disposition.
(countable, especially, uncountable) The manner in which something is equipped or adorned; order; disposition.
(uncountable) The state of adjustment of control surfaces such that the desired attitude can be maintained without requiring the continuous application of force to the cockpit controls.
(broadly, uncountable) The mechanism(s) used to trim an aircraft in roll, pitch, and/or yaw.
(mildly, slang, uncountable, vulgar) The female genitalia.
(broadly, mildly, slang, uncountable, vulgar) Sexual intercourse with a woman.
(countable, uncountable) The fore-and-aft angle of the vessel to the water, with reference to the cargo and ballast; the manner in which a vessel floats on the water, whether on an even keel or down by the head or stern.
(countable, uncountable) The arrangement of the sails with reference to the wind.
(countable, uncountable) Any of the three cut edges of book pages, trimmed with a shear after binding.
(uncountable) The horizontal position of an underwater water

trims

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