JOIST n. 2 definitions
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.…
JOURNAL n. 5 definitions
That portion of a rotating piece, as a shaft, axle, spindle, etc., which turns in a bearing or box. See Illust. of Axle box. Journal box, or Journal bearing (Mach.) the carrier of a journal; the box in which the journal of a shaft, axle, or pin turns.
KEEL n. 9 definitions
Western rivers. [U. S.] (b) A low, flat-bottomed freight boat. See Keel, n., 3. -- Keel piece, one of the timbers or sections of which a keel is composed. On even keel, in a level or horizontal position, so that the draught of water at the stern and the bow is the same. Ham. Nav. Encyc.
KEELSON n.
A piece of timber in a ship laid on the middle of the floor timbers over the keel, and binding the floor timbers to the keel; in iron vessels, a structure of plates, situated like the keelson of a timber ship. Cross keelson, a similar structure lying athwart the main keelson, to support the engines and boilers.…