noun plural but singular or plural in construction
Usage: usually capitalized S
: a perennial branching knapweed ( Centaurea nigra ) with hairy leaves and reddish purple to dark purple flowers
noun plural but singular or plural in construction
Usage: usually capitalized S
: a perennial branching knapweed ( Centaurea nigra ) with hairy leaves and reddish purple to dark purple flowers
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012