| pinnate | Divided into pinnae, once-compound. Compare: bipinnate, tripinnate. (09 Oct 1997) |
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| pinnated | 1. <botany> Consisting of several leaflets, or separate portions, arranged on each side of a common petiole, as the leaves of a rosebush, a hickory, or an ash. See Abruptly pinnate, and Illust, under Abruptly. 2. <zoology> Having a winglike tuft of long feathers on each side of the neck. <zoology> Pinnated grouse, the prairie chicken. Origin: L. Pinnatus feathered, fr. Pinna a feather. See Pin a peg, Pen feather. Source: Websters Dictionary (01 Mar 1998) |
| odd-pinnate | Said of compound leaves having an odd number of leaflets, this is usually easily determined because there is a single terminal leaflet. (09 Oct 1997) |
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| even-pinnate | <botany> Said of compound leaves having an even number of leaflets, this is usually easily determined because there is a terminal pair. (09 Oct 1997) |