JOISTED
Verb
joisted
simple past tense and past participle of joist
Source: Wiktionary
JOIST
Joist, n. Etym: [OE. giste, OF. giste, F. gîte, fr. gesir to lie, F.
gésir. See Gist.] (Arch.)
Definition: A piece of timber laid horizontally, or nearly so, to which the
planks of the floor, or the laths or furring strips of a ceiling, are
nailed; -- called, according to its position or use, binding joist,
bridging joist, ceiling joist, trimming joist, etc. See Illust. of
Double-framed floor, under Double, a.
Joist, v. t. [imp. & p. p. Joisted; p. pr. & vb. n. Joisting.]
Definition: To fit or furnish with joists. Johnson.
Source: Webster’s Unabridged Dictionary 1913 Edition