Entry 3 senses · 3 variants Webster, 1913 Sithe /sīth/ · IPA /saɪð/ v. i. n. v. t. 01 v. i. To sigh. 1. To sigh. 02 n. A scythe. 1. A scythe.[Obs.] 03 v. t. To cut with a scythe; to scythe. 1. To cut with a scythe; to scythe.[Obs.]