cerastium

[suh-ras-tee-uh m]
noun, plural ce·ras·ti·ums.
  1. any of various low-growing plants of the genus Cerastium, having leaves covered with whitish or grayish down and small white flowers, and including mouse-ear chickweed and snow-in-summer.

Origin of cerastium

< New Latin (Linnaeus) < Greek kerást(ēs) horned (see cerastes) + New Latin -ium -ium; so called from the horn-shaped seed capsules of some species
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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