The Collaborative International Dictionary of English v.0.48:
Shallon \Shal"lon\, n. (Bot.) An evergreen shrub (Gaultheria Shallon) of Northwest America; also, its fruit. See Salal-berry. [1913 Webster]WordNet (r) 3.0 (2006):
shallon n 1: small evergreen shrub of Pacific coast of North America having edible dark purple grape-sized berries [syn: salal, shallon, Gaultheria shallon]