From WordNet (r) 3.0 (2006) [wn]:
botanic
adj 1: of or relating to plants or botany; "botanical garden"
[syn: botanic, botanical]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Botanic \Bo*tan"ic\, Botanical \Bo*tan"ic*al\, a. [Cf. F.
botanique. See Botany.]
Of or pertaining to botany; relating to the study of plants;
as, a botanical system, arrangement, textbook, expedition. --
Bo*tan"ic*al*ly, adv.
[1913 Webster]
Botanic garden, a garden devoted to the culture of plants
collected for the purpose of illustrating the science of
botany.
Botanic physician, a physician whose medicines consist
chiefly of herbs and roots.
[1913 Webster]