Discoid flower
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]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • 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 …   The Collaborative International Dictionary of English

  • discoid — adjective Etymology: Late Latin discoides quoit shaped, from Greek diskoeidēs, from diskos disk Date: 1794 1. relating to or having a disk: as a. situated in the floral disk < discoid florets > b. having only disk flowers < a discoid flower head… …   New Collegiate Dictionary

  • discoid — [dis′koid΄] adj. [LL discoides < Gr diskoeidēs, disk shaped < diskos, a disk + eides, OID] 1. shaped like a disk 2. Bot. lacking ray flowers and having only tubular florets, as the inner part of a composite flower head: Also discoidal n.… …   English World dictionary

  • discoid — /dis koyd/, adj. Also, discoidal. 1. having the form of a discus or disk; flat and circular. 2. Bot. (of a composite flower) consisting of a disk only, without rays. n. 3. something in the form of a disk. 4. Dentistry. an excavator with a… …   Universalium

  • discoid — dis•coid [[t]ˈdɪs kɔɪd[/t]] also dis•coi′dal adj. 1) having the form of a disk; flat and circular 2) bot (of a composite flower) having a disk without rays • Etymology: 1785–95; < LL discoīdēs < Gk diskoeidḗs quoit shaped …   From formal English to slang

  • Antennaria — noun small woolly perennial herbs having small whitish discoid flowers surrounded by a ring of club shaped bristles • Syn: ↑genus Antennaria • Hypernyms: ↑asterid dicot genus • Member Holonyms: ↑Compositae, ↑family Compositae, ↑Asteraceae …   Useful english dictionary

  • blazing star — noun 1. biennial of southwestern United States having white stems and toothed leaves that is grown for its large pale yellow flowers that open in early morning • Syn: ↑Mentzelia livicaulis, ↑Mentzelia laevicaulis • Hypernyms: ↑flower • Member… …   Useful english dictionary

  • button snakeroot — noun 1. coarse prickly perennial eryngo of United States thought to cure rattlesnake bite • Syn: ↑rattlesnake master, ↑rattlesnake s master, ↑Eryngium yuccifolium • Hypernyms: ↑perennial • Member Holonyms: ↑Eryngium …   Useful english dictionary

  • gay-feather — noun any of various North American plants of the genus Liatris having racemes or panicles of small discoid flower heads • Syn: ↑blazing star, ↑button snakeroot, ↑gayfeather, ↑snakeroot • Hypernyms: ↑wildflower, ↑wild flower …   Useful english dictionary

  • gayfeather — noun any of various North American plants of the genus Liatris having racemes or panicles of small discoid flower heads • Syn: ↑blazing star, ↑button snakeroot, ↑gay feather, ↑snakeroot • Hypernyms: ↑wildflower, ↑wild flower …   Useful english dictionary

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