trimmer joist   (TTS Sound)

The trimmer_joist has 1 Senses.

• trimmer, trimmer joist
• トリマー
• 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.
• 階段または煙突などに開口部を残すため、床や天井の枠組みの小口端を受ける梁