Obs. rare1. [? var. of START sb.2] A sudden impulse. Hence Sturt v.2 intr., to start suddenly.
1674. N. Fairfax, Bulk & Selv., 129. When we give a dartingness to outcasts, we betemme them but one or a few springs, which by often sturts and flashes of motion, cracker-like, weaken themselves. Ibid., 139, 140. A body having bequeathd it one degree of sturt or yerk, may upon taking in ten or twenty degrees of the same, in the next, sturt to many atoms in length.