sprattle

The main cross members were the breast beam, the sprattle beam and the tail beam, in order from head to tail.

Swith, in some beggar's haffet squattle; There ye may creep, and sprawl, and sprattle, Wi' ither kindred, jumping cattle, In shoals and nations; Whaur horn nor bane ne'er daur unsettle Your thick plantations.

Joelle, twisting her neck about (cheek brushing along the pelt of her mind-mate, who had gently laid his two lower arms around her while the talons of the upper left stroked her hair) saw the linker sprattle in the doorway like a large black spider.