a machine that trims timber
"The old chainsaw sat rusting on the porch, long forgotten since it was replaced by a more powerful trimmer for clearing fallen timber."
capacitor having variable capacitance; used for making fine adjustments
"The technician installed a trimmer into the circuit board to make precise final adjustments to the signal frequency."
joist that receives the end of a header in floor or roof framing in order to leave an opening for a staircase or chimney etc.
"The carpenter installed a trimmer under the new stairwell header to properly support the outer ends of the joists spanning into the open space."
One who trims, arranges, fits, or ornaments.
"The florist hired a skilled trimmer to arrange the fresh roses for the wedding centerpiece."
comparative form of trim: more trim
"The new suit fits much better than his old, baggy clothes because he looks significantly more trim now that summer is here."
A surname.
"The local community center is hosting a fundraiser for Mr. Trimmer, who recently retired after forty years of service."