Trimmer

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trimmer

[′trim·ər]
(building construction)
One of the single or double joists or rafters that go around an opening in the framing type of construction.
(mining engineering)
A piece of bent wire used to regulate the size of the flame of a safety lamp without removing the top of the lamp.
A worker who arranges coal in the hold of a vessel (miner, ship) as the coal is discharged into it from bins.
A person who cleans miners' lamps.
An apparatus for trimming a pile of coal into a regular form (as a cone or prism).

Trimmer

A piece of timber in a roof, floor, or wooden partition, to support a header which in turn supports the ends of the joists, rafters, or studs; a small horizontal beam, into which the ends of one or more joists are framed.

trimmer

1. A piece of timber inserted in a roof, floor, wooden partition, or the like, to support a header which in turn supports the ends of the joists, rafters, studs, etc.
2. A small horizontal beam, as in a floor, into which the ends of one or more joists are framed; often named from the place of use as a hearth trimmer, stair trimmer, etc.
4. Variously shaped ceramic tile used as bases, caps, corners, moldings, and angles, as necessary to complete an installation and to satisfy sanitary and architectural requirements.