• WordNet 3.6
    • n tickseed any of numerous plants of the genus Coreopsis having a profusion of showy usually yellow daisylike flowers over long periods; North and South America
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Webster's Revised Unabridged Dictionary
    • Tickseed A seed or fruit resembling in shape an insect, as that of certain plants.
    • Tickseed (Bot) Any plant of the genus Corispermum, plants of the Goosefoot family.
    • Tickseed (Bot) Same as Coreopsis.
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Century Dictionary and Cyclopedia
    • n tickseed A plant of the genus Coreopsis.
    • n tickseed A plant of the genus Corispermum, usually named bug-seed.
    • n tickseed Same as tick-trefoil.
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Webster's Revised Unabridged Dictionary
Tick, the insect + seed,; cf. G. wanzensamen, literally, bug seed


In news:

Yellow blooms of Coreopsis are dressing up roadsides this fall and Leavenworth's tickseed is one of a baker's dozen of this wildflower species that call Florida home.
Deer-resistant plants are the emphasis of the Garden Club of East Hampton's sale, including Full Moon coreopsis, or tickseed, left, and Purple Haze agastache.