Trimmer Joist

nounverified·updated May 18, 2026

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.

Framework senses

2 senses across 2 frameworks

Wordset Dictionary1 senseview framework →

§1: 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.

Legacy lexicon import1 senseview framework →

§1 · legacy_primary: 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.
DR-088 backfill from the noun definition column