Any of several plants of the of the family Asteraceae (Compositae), especially the common daisy, Bellis perennis, and the ox-eye daisy, Leucanthemum vulgare.
Origin
Early 19th century.
Definition of dog daisy in US English:
dog daisy
noun
Any of several plants of the of the family Asteraceae (Compositae), especially the common daisy, Bellis perennis, and the ox-eye daisy, Leucanthemum vulgare.