Entry 2 senses · 2 variants Webster, 1913 Chirm · IPA /t͡ʃɜː(ɹ)m/ n. v. i. 01 n. Noise; din; esp.; confused noise, clamor, or hum of many voices, notes of birds, or the like. 1. Noise; din; esp.; confused noise, clamor, or hum of many voices, notes of birds, or the like. 02 v. i. To chirp or to make a mournful cry, as a bird. 1. To chirp or to make a mournful cry, as a bird.[Obs.]