Zool. Also springtail, spring tail. [f. SPRING sb.1 or v.1] One or other of various species of insects that leap or spring by means of their tail.
1797. Encycl. Brit. (ed. 3), XV. 169/1. Podura, or spring-tail, a genus of insects of the order of aptera.
1854. Orrs Circ. Sci., Org. Nat., I. 96. The velvet spring-tail leaps by jerking its tail downwards from under its body.
1879. E. P. Wright, Anim. Life, 491. The springtails had, however, attracted the attention of naturalists long before that date.