sand martin(redirected from Collared Sand Martin)
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(Animals) a small brown European songbird, Riparia riparia, with white underparts: it nests in tunnels bored in sand, river banks, etc: family Hirundinidae (swallows and martins)
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|Noun||1.||sand martin - swallow of the northern hemisphere that nests in tunnels dug in clay or sand banks|
martin - any of various swallows with squarish or slightly forked tail and long pointed wings; migrate around Martinmas