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adj. Having three similar segments or parts.

adj. Botany Having flower parts, such as petals, sepals, and stamens, in sets of three.

adj. Organized in threes; having parts in numbers that are multiples of three.

adj. Having the parts in threes.

In botany, of three members; having the parts or members three in each cycle. Frequently written 3-merous.

In entomology: Divided into three joints; having three segments, as the tarsus of a beetle, thus:

Having the tarsi normally three-jointed, as a beetle; of or pertaining to the Trimera. Also trimeran.

"It differs from P. virginiana in its longer leaves, brittle branches, and much greater height, from P. glabra in its rough upper trunk, and from both by the frequent presence of trimerous leaf-fascicles."

trimerous thorax    pentamerous    tetramerous    dimerous   

trimery    trimer