marguerite

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Either of two cultivated plants of the composite family, Argyranthemum (or Chrysanthemum) frutescens originally of the Canary Islands, or C. leucanthemum originally of Eurasia, having flower heads with white, pink, or yellow rays.
• noun Any of several similar or related plants having daisylike flowers.

from The Century Dictionary.

• noun In decorative design, a small flat rosette which resembles the common daisy.
• noun The common European daisy, Bellis perennis.
• noun A species from Teneriffe, Chrysanthemum frutescens, also called Paris daisy, closely resembling the common oxeye daisy, but with leaves more dissected.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Bot.) The daisy (Bellis perennis). The name is often applied also to the ox-eye daisy and to the China aster.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun An oxeye daisy (Leucanthemum vulgare).

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun perennial subshrub of the Canary Islands having usually pale yellow daisylike flowers; often included in genus Chrysanthemum
• noun tall leafy-stemmed Eurasian perennial with white flowers; widely naturalized; often placed in genus Chrysanthemum