river swallow (riverswol"o)

The sand swallow or sand-martin, Cotile or Clivicola rip a ria. [Local, British.] river-terrace (riv'èr-ter"ās), n. In geol. See terrace. river-tortoise (riv'èr-tôr"tis), n. A tortoise of the family Trionychidæ; a snapping-turtle; a soft-shelled turtle; any fresh-water chelonian. art generally represented as a reclining figure, often with an urn from which water flows, and tortoise. other distinguishing attributes. riverhead (riv'èr-hed), n . The spring or source of a river. In earth it first exce ive saltne spends, Then to our springs and riverheads ascends. river-hog (riv'èr-hog), n. 1. The capibara. 2. An African swine of the genus Potamocha rus; a bush-hog. P. penicil lat us is known as the red river -hog. See cut under Potamochœ rus.