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tubocurarine
Nountubocurarine has 1 sense
tubocurarine, curare - a toxic alkaloid found in certain tropical South American trees that is a powerful relaxant for striated muscles; used by South American indians as an arrow poison; "curare acts by blocking cholinergic transmission at the myoneural junction" --1is a kind ofalkaloid; neuromuscular blocking agent; plant toxin, phytotoxin