Definition of "cymbiform" [cym•bi•form]

• Shaped like a boat. (adjective)
• Elongated and having the upper surface decidedly concave, as in the glumes of many grasses. (adjective)

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• "The _second glume_ is cymbiform, compressed laterally, with a dorsal hyaline ciliate wing to the keel, 5 - to"
• "Spathes are 1/8 to 1/3 inch long, sessile or pedicellate, green, cymbiform, with subulate tips."
• "The _second glume_ is lanceolate, cymbiform, acute or acuminate, 3-nerved, margins hyaline, ciliate, as long as the first chartaceous and the keel with a serrulate wing above the middle."