joist C2 Topic:General Vocabulary US /d͡ʒɔɪst/ See IPA manual Freq #98433 Meanings 1 noun beam used to support floors or roofs Looks like this joist is rotting. Thesaurus Synonyms scantlingsummertree Word family Forms joists Common collocations floor joist Noun + noun Etymology From Old French giste, feminine of gist, the past participle of gesir (“to lie down”). *(H)yeh₁- Proto-Indo-European giste Old French View etymology graph -> Topics General Vocabulary External links Cambridge Dictionary Wiktionary Google Images # joist **Type:** Word **Level:** C2 **Part of speech:** noun **IPA (US):** /d͡ʒɔɪst/ **Frequency rank:** 98433 ## Meanings 1. beam used to support floors or roofs ## Examples - Looks like this joist is rotting. ## Synonyms - scantling - summertree ## Roots and Affixes - Root: *(H)yeh₁- - Root: giste ## Etymology From Old French giste, feminine of gist, the past participle of gesir (“to lie down”). ## Topics - General Vocabulary markdown