We found 2 dictionaries that define the word floor joists:

General (1 matching dictionary)

1. floor joists: Vocabulary.com

Business (1 matching dictionary)

2. floor joists: Financial dictionary

(Note: See floor_joist as well.)

Definitions from WordNet (floor joist) ▸ noun:  joist that supports a floor ▸ Also see floor_joist ▸ Words similar to floor joists ▸ Usage examples for floor joists ▸ Idioms related to floor joists ▸ Wikipedia articles (New!) ▸ Words that often appear near floor joists ▸ Rhymes of floor joists ▸ Invented words related to floor joists