Source : Webster's Revised Unabridged Dictionary (1913)

Marguerite \Mar"gue*rite\, n. [F., a pearl, a daisy. See
   {Margarite}.] (Bot.)
   The daisy ({Bellis perennis}). The name is often applied also
   to the ox-eye daisy and to the China aster. --Longfellow.

Source : WordNet®

marguerite
     n 1: tall leafy-stemmed Eurasian perennial with white flowers;
          widely naturalized; often placed in genus Chrysanthemum
          [syn: {oxeye daisy}, {ox-eyed daisy}, {moon daisy}, {white
          daisy}, {Leucanthemum vulgare}, {Chrysanthemum
          leucanthemum}]
     2: perennial subshrub of the Canary Islands having usually pale
        yellow daisylike flowers; often included in genus
        Chrysanthemum [syn: {marguerite daisy}, {Paris daisy}, {Chrysanthemum
        frutescens}, {Argyranthemum frutescens}]