Spine of Birds.—The back-bone of birds, unlike that of some other animals, is immoveable, though they have the power of bending the neck.—Montagu.
Spinous, a. Thorny, full of thorns.
Spiracle, s. A breathing hole, a vent, a small aperture, a pore.
Spirit, s. Breath, wind in motion; ardour; courage; that which gives vigour or cheerfulness to the mind; an inflammable liquor raised by distillation.
Spirited, a. Lively, full of fire.
Spiritless, a. Low, deprived of vigour, depressed.
Spitter, s. obs. A young deer.
Splayfooted, a. Having the foot turned inward.
Spleen, s. The milt, one of the viscera; anger, spite, ill-humour.
Splent, s. Splent is a callous hard substance, or an insensible swelling, which breeds on or adheres to the shank-bone, and when it grows big spoils the shape of the leg.