From The Collaborative International Dictionary of English v.0.48 [gcide]:
Arbutus \Ar"bu*tus\, Arbute \Ar"bute\, n. [L. arbutus, akin to
arbor tree.]
The strawberry tree, a genus of evergreen shrubs, of the
Heath family. It has a berry externally resembling the
strawberry; the arbute tree.
[1913 Webster]
Trailing arbutus (Bot.), a creeping or trailing plant of
the Heath family ({Epig[ae]a repens}), having white or
usually rose-colored flowers with a delicate fragrance,
growing in small axillary clusters, and appearing early in
the spring; in New England known as mayflower; -- called
also ground laurel. --Gray.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
arbutus
n 1: any of several evergreen shrubs of the genus Arbutus of
temperate Europe and America