Discoid

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Discoid \Dis"coid\, a. [Gr. ? quoit-shaped, ? a round plate,
     quoit + e'i^dos form, shape: cf. F. disco["i]de. See {Disk}.]
     Having the form of a disk, as those univalve shells which
     have the whorls in one plane, so as to form a disk, as the
     pearly nautilus.
     [1913 Webster]


  
     {Discoid flower} (Bot.), a compound flower, consisting of
        tubular florets only, as a tansy, lacking the rays which
        are seen in the daisy and sunflower.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Discoid \Dis"coid\, n.
     Anything having the form of a discus or disk; particularly, a
     discoid shell.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  discoid
       adj : having a flat circular shape [syn: {discoidal}, {disklike}]