SOB (2)
Source: 566, 567
sob (2). Sob, n. a convulsive sigh or cry, a very deep sigh
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Sob, v. i. [imp. & p. p. Sobbed (?); p. pr. & vb. n. Sobbing.] [[OE. sobben; akin to AS. seófian, siófian, to complain, bewail, seófung, siófung, sobbing, lamentation; cf. OHG. s�ftön, s�ft�n, to sigh, MHG. siuften, siufzen, G. seufzen, MHG. s�ft a sigh, properly, a drawing in of breath, from s�fen to drink, OHG. s�fan. Cf. Sup.]] To sigh with a sudden heaving of the breast, or with a kind of convulsive motion; to sigh with tears, and with a convulsive drawing in of the breath. Sobbing is the same thing , stronger. Bacon. She sighed, she sobbed, and, furious with despair. She rent her garments, and she tore her hair. Dryden.