7. (Arch.) The threshold of a door, when a separate piece from the
floor or landing; -- so called because it spans and covers the joint
between two floors.
Saddle bar (Arch.), one the small iron bars to which the lead panels of
a glazed window are secured. Oxf. Gloss. -- Saddle gall (Far.), a sore
or gall upon a horse's back, made by the saddle. -- Saddle girth, a
band passing round the body of a horse to hold the saddle in its place.
-- saddle horse, a horse suitable or trained for riding with a saddle.
-- Saddle joint, in sheet-metal roofing, a joint formed by bending up
the edge of a sheet and folding it downward over the turned-up edge of
the next sheet. -- Saddle roof, (Arch.), a roof having two gables and
one ridge; -- said of such a roof when used in places where a different
form is more common; as, a tower surmounted by a saddle roof. Called
also saddleback roof. -- Saddle shell (Zoöl.), any thin plicated
bivalve shell of the genera Placuna and Anomia; -- so called from its
shape. Called also saddle oyster.
Sad"dle (?), v. t. [imp. & p. p. Saddled (?); p. pr. & vb. n. Saddling
(?).] [AS. sadelian.] 1. To put a saddle upon; to equip (a beast) for
riding. "saddle my horse." Shak.
Abraham rose up early, . . . and saddled his ass.
Gen. xxii. 3.
2. Hence: To fix as a charge or burden upon; to load; to encumber; as,
to saddle a town with the expense of bridges and highways.
Sad"dle*back` (?), a. Same as Saddle-backed.
Saddleback roof. (Arch.) See Saddle roof, under Saddle.
Sad"dle*back`, n. 1. Anything saddle-backed; esp., a hill or ridge
having a concave outline at the top.
2. (Zoöl.) (a) The harp seal. (b) The great blackbacked gull (Larus
marinus). (c) The larva of a bombycid moth (Empretia stimulea) which
has a large, bright green, saddle-shaped patch of color on the back.
Sad"dle-backed` (?), a. 1. Having the outline of the upper part concave
like the seat of a saddle.