Definition of cerastium in English:


nounPlural cerastiums

  • A plant of a genus that includes chickweed and snow-in-summer.

    Genus Cerastium, family Caryophyllaceae

    • ‘The differences between the two genera are small, such as 5 styles for Cerastium and 3 styles for Stellaria.’
    • ‘Many species of Cerastium look alike and can be hard to differentiate.’
    • ‘The bee on the Cerastium looks like he has got onto a queen sized bed and is snuggling up into a white downy quilt.’


Modern Latin, from Greek kerastēs ‘horned’ (with reference to the shape of many seed capsules) + -ium.