Saddleback \Sad"dle*back`\, a. Same as Saddle-backed.

Saddleback roof. (Arch.) See Saddle roof, under Saddle.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Saddleback \Sad"dle*back`\, n.

1. Anything saddle-backed; esp., a hill or ridge having a concave outline at the top.

2. (Zo["o]l.)
   (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.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Harp \Harp\, n. [OE. harpe, AS. hearpe; akin to D. harp, G. harfe, OHG. harpha, Dan. harpe, Icel. & Sw. harpa.]

1. A musical instrument consisting of a triangular frame furnished with strings and sometimes with pedals, held upright, and played with the fingers.

2. (Astron.) A constellation; Lyra, or the Lyre.

3. A grain sieve. [Scot.]

[AE]olian harp. See under [AE]olian.

Harp seal (Zo["o]l.), an arctic seal (Phoca Gr[oe]nlandica). The adult males have a light-colored body, with a harp-shaped mark of black on each side, and the face and throat black. Called also saddler, and saddleback. The immature ones are called bluesides.

Source: Webster's Revised Unabridged Dictionary (1913)