Artificial intelligent assistant

pin-feathered

pin-feathered, a.
  (ˈpɪnˌfɛðəd)
  [f. prec. + -ed2, or f. pin n.1 + feathered.]
  Having immature feathers, half-fledged (as a young bird, or an adult bird when moulting); also fig.: = pen-feathered 1.

1641 R. Brathwait Mercurius Brit. ii. B ij, Thou beganst to flutter with the lapwing before thou wert pinfeathered. 1647 Cleveland Char. Lond. Diurn. 1 A Diurnall is a puny Chronicle, scarce pin-feather'd with the Wings of time. 1693 Dryden Persius' Sat. i. (1697) 411 Hourly we see, some raw pin-feather'd thing Attempt to mount, and Fights and Heroes sing.

Oxford English Dictionary

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