perfoliate adjective. [pǝ'fǝʊlɪǝt] L17.
[mod. Latin perfoliatus, formed as PER-¹ + FOLIATE adjective.]
1. Botany. (Of a sessile leaf or bract) extended at the base to encircle the node, so that the stem apparently passes through it; (of a plant) having such leaves. Formerly, (of a stem) apparently passing through the leaf. L17.

2. Entomology. Of (part of) an antenna: resembling one or more round plates pierced by a shaft. E19.

■ perfoliated adjective (Entomology) = PERFOLIATE 2 M18.

■ perfoli'ation noun perfoliate condition M19.

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