[Imitative.] A sharp clicking sound. Cf. SNICK sb.3

1

1851.  Mayne Reid, Scalp Hunt., iv. Back went the girth buckles with a ‘sneck.’

2

1861.  A. Leighton, Storied Trad. Sc. Life, Ser. II. 116. An industrious house too, wherein the birr of the wheel and the sneck of the reel had sounded.

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