A quill; the hard, horny, hollow, and more or less transparent part of the stem or scape of a feather.
Synonym of fistula (“tube for sucking Eucharist wine”)
A palm in genus Calamus, of rattan palms.
The sweet flag, Acorus calamus.
A fish of genus Calamus in family Sparidae; certain porgies.
A crest or knot of feathers upon the head or top, as of a bird.
The New Zealand topknot, Notoclinus fenestratus
A small European flounder (Phrynorhombus regius, syn. Rhombus punctatus).
The brown topknot, Notoclinus compressus
A decorative headdress.
A decorative knot of hair on the crown of the head, sometimes having ribbons or feathers.
Several species in the genus Zeugopterus
The Norwegian topknot, Phrynorhombus norvegicus