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Webster 1913 Edition

Adj.

(Bot.)

Having the anthers raised above the stigma, and visible at the throat of the corolla, as in long-stamened primroses; – the reverse of pin-eyed.

thrum-eyed ‎(not comparable)

(botany) Having the anthers raised above the stigma, and visible at the throat of the corolla, as in long-stamened primroses.