Entry 2 senses · 2 variants Webster, 1913 Saltigrade · Sal·ti·grade · IPA a. n. 01 a. Having feet or legs formed for leaping. 1. Having feet or legs formed for leaping.(Zool.) 02 n. One of the Saltigradae, a tribe of spiders which leap to seize their prey. 1. One of the Saltigradae, a tribe of spiders which leap to seize their prey.(Zool.)