Mitra (mitra)

[NL., so called from the shape of the shell, mitra , μίτρα , a miter, turban: see miter.] 1. The typical genus of Mitrida , having a heavy long fusiform shell with well-devel- oped spire and plicate columel- la, likened to a bishop's miter. There are over 200 species, mostly from the Philippine and related waters, but also from other warm seas, as the West In dian. The best-known is M. episcopal is, ornamented with square spots of red, orange, or salmon color. An arctic species is M. IMG:content-0786.png:[blocks in formation] ( Volutimitra ) græn 2. A genus of acalephs. Mitracea(mi-trā'sẽ-a), n . pl . [NL., Mitra + -ace a .] Same as Mitrida . mit race an (mi-tra'sē-an), a . and n. I. a . Of or pertaining to the Mitracea or Mitrida ; mitriform. a, Mitra vulpecula. b, Mitra episcopal is. II. n. A miter-shell; any member of the Mi trace a. mitraille (F. pron. mē-traly'), n. [ At the moment when the regiment nearest the enemy was beginning a retreating movement, in order to entice the Pru ians on, the latter emerged from a wood between Borney and Colombey, and mitrailled the French. IMG:content-0787.png:[blocks in formation] mitrailleuse (F. pron. me-tra-lyėz'), n. [F., fem. noun of agent, The Maxim mitrailleuse or machine gun of rifle caliber. Sci. Amer., N. S., LX. 102. mitral (mi'tral), a. [F. mitral = It. mitrale, Sir. T. Browne , Garden of Cyrus, ii. 2. In an at., mitriform; bivalvular: specifically applied to that valve in the heart which guards the left auriculoventricular orifice. Also called bicuspid.- 3. In med., pertaining to the mitral valve: as, mitral sounds; mitral insufficiency; mitral disease. mitten mitrate (mi'trāt), a. [