| pinnock | <zoology> The hedge sparrow. The tomtit. Origin: Of uncertain origin. Source: Websters Dictionary (01 Mar 1998) |
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| pinnothere | <zoology> A crab of the genus pinnotheres. See Oyster crab, under Oyster. Origin: Gr. A pinna + an animal. Source: Websters Dictionary (01 Mar 1998) |
| pinnulate | <botany> Having each pinna subdivided; said of a leaf, or of its pinnae. See: Pinnule. Source: Websters Dictionary (01 Mar 1998) |
| pinnulated | <zoology> Having pinnules. Source: Websters Dictionary (01 Mar 1998) |
| pinnule | A leaflet of a bipinnate leaf. (09 Oct 1997) |