tertial

tertial Definition

ter·tial (tʉr′s̸həl)

adjective

designating or of the flight feathers, forming the third row, on the basal part of a bird's wing

Etymology: < L tertius, third + -al

noun

a tertial feather

tertial Usage Examples

Adjective modifier

missing: This bird, a juvenile, was identified as being the same bird from two missing tertials on the right wing.

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