Found 2 items, similar to sea pen.
English → English (WordNet) Definition: sea pen sea pen n : fleshy featherlike warm-water colonies
English → English (gcide) Definition: Sea pen Pen \Pen\, n. [OE. penne, OF. penne, pene, F. penne, fr. L. penna.] 1. A feather. [Obs.] --Spenser. [1913 Webster] 2. A wing. [Obs.] --Milton. [1913 Webster] 3. An instrument used for writing with ink, formerly made of a reed, or of the quill of a goose or other bird, but now also of other materials, as of steel, gold, etc. Also, originally, a stylus or other instrument for scratching or graving. [1913 Webster] Graven with an iron pen and lead in the rock. --Job xix. 24. [1913 Webster] 4. Fig.: A writer, or his style; as, he has a sharp pen. “Those learned pens.” --Fuller. [1913 Webster] 5. (Zo["o]l.) The internal shell of a squid. [1913 Webster] 6. [Etymol. uncertain.] (Zo["o]l.) A female swan. [Prov. Eng.] [1913 Webster] Bow pen. See Bow-pen. Dotting pen, a pen for drawing dotted lines. Drawing pen, or Ruling pen, a pen for ruling lines having a pair of blades between which the ink is contained. Fountain pen, Geometric pen. See under Fountain, and Geometric. Music pen, a pen having five points for drawing the five lines of the staff. Pen and ink, or pen-and-ink, executed or done with a pen and ink; as, a pen and ink sketch. Pen feather. A pin feather. [Obs.] Pen name. See under Name. Sea pen (Zo["o]l.), a pennatula. [Usually written sea-pen.] [1913 Webster]