māˈ(y)an(t)thəməm, mīˈa- noun
Usage: capitalized
Etymology: New Latin, from Latin maius May + New Latin -anthemum — more at may (month)
: a genus of perennial herbs (family Liliaceae) having slender rhizomes and an erect stem bearing a few leaves and a terminal raceme of small white flowers — see false lily of the valley