plumules

/P L UW1 M Y AH0 L Z/
noun
  1. 1

    The first bud, or gemmule, of a young plant; the bud, or growing point, of the embryo, above the cotyledons.

  2. 2

    A down feather.

  3. 3

    The aftershaft of a feather.

  4. 4

    One of the featherlike scales of certain male butterflies.

Source: https://en.wiktionary.org/wiki/plumule, https://en.wiktionary.org/wiki/plumules