HARVEST n.
nal equinox, when, by reason of the small angle that is made by the moon's orbit with the horizon, it rises nearly at the same hour for several days. -- Harvest mouse (Zoöl.), a very small European field mouse (Mus minutus). It builds a globular nest on the stems of wheat and other plants. -- Harvest queen, an image…
HOOK n.
keray. -- Bid hook, a small boat hook. -- Chain hook. See under Chain. -- Deck hook, a horizontal knee or frame, in the bow of a ship, on which the forward part of the deck rests. -- Hook and eye, one of the small wire hooks and loops for fastening together the opposite edges of a garment, etc. -- Hook bill (Zoöl.…
HOUSE n.
the heavens, as divided by six circles intersecting at the north and south points of the horizon, used by astrologers in noting the positions of the heavenly bodies, and casting horoscopes or nativities. The houses were regarded as fixed in respect to the horizon, and numbered from the one at the eastern horizon, call…
HYDRAULIC a.
hat will set, or form a firm, strong mass, under water. -- Hydraulic main (Gas Works), a horizontal pipe containing water at the bottom into which the ends of the pipes from the retorts dip, for passing the gas through water in order to remove ammonia. -- Hydraulic mining, a system of mining in which the force of a j…
JIB n.
lled the flying jib boom. [Written also gib boom.] -- Jib crane (Mach.), a crane having a horizontal jib on which a trolley moves, bearing the load. -- Jib door (Arch.), a door made flush with the wall, without dressings or moldings; a disguised door. -- Jib header (Naut.), a gaff-topsail, shaped like a jib; a jib- h…
JOIST n.
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.…