saddle back

noun

1. any of various animals having markings on the back that resemble a saddle, as a male harp seal.

noun

1. a marking resembling a saddle on the backs of various animals
2. a breed of black pig with a white band across its back
3. a rare bird of New Zealand, Philesturnus carunculatus, having a chestnut-coloured saddle-shaped marking across its back and wings
4. another name for saddle roof
5. another name for col (def. 1)

n.1540s and thereafter in various senses (of landforms, oysters, etc.), from saddle (n.) + back (n.). n.

1. lordosis