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rre| stem for pdef, opt < rry'e·n

rre nf 1 narrow path; trail, snowtrail 2 trail left by a snail or reptile 3 (Invert) intestinal worm: threadworm (Enterobius vermicularis) 4 (Invert) maw-worm (Ascaris lumbricoides)

rreb|a'n adj given to acting on whim: impulsive, capricious