half-moon

3 definitions found

half-moon - Collaborative International Dictionary of English v.0.48 :

  Half-moon \Half"-moon`\ (-m[=oo]n`), n.
     1. The moon at the quarters, when half its disk appears
        illuminated.
        [1913 Webster]
  
     2. The shape of a half-moon; a crescent.
        [1913 Webster]
  
              See how in warlike muster they appear,
              In rhombs, and wedges, and half-moons, and wings.
                                                    --Milton.
        [1913 Webster]
  
     3. (Fort.) An outwork composed of two faces, forming a
        salient angle whose gorge resembles a half-moon; -- now
        called a ravelin.
        [1913 Webster]
  
     4. (Zool.) A marine, sparoid, food fish of California
        (C[ae]siosoma Californiense). The body is ovate,
        blackish above, blue or gray below. Called also
        medialuna.
        [1913 Webster]

  Ravelin \Rave"lin\ (r[a^]v"l[i^]n; 277), n. [F.; cf. Sp.
     rebellin, It. revellino, rivellino; perhaps fr. L. re- again
     + vallum wall.] (Fort.)
     A detached work with two embankments which make a salient
     angle. It is raised before the curtain on the counterscarp of
     the place. Formerly called demilune and half-moon.
     [1913 Webster]

half-moon - WordNet (r) 2.1 (2005) :

  half-moon
      n 1: the crescent-shaped area at the base of the human
           fingernail [syn: half-moon, lunula, lunule]
      2: the time at which the Moon is at first or last quarter when
         half its face is illuminated