gibberellin definition by Webster's New World
Origin: ; from Modern Latin Gibberella (dim. of Classical Latin gibber, hump on the back ; from gibbus: see gib) plush -in
gibberellin definition by American Heritage Dictionary
Origin: From New Latin Gibberella (fujikoroī), the fungus from which gibberellin was first isolated, from Latin gibberella, feminine diminutive of gibber, hump.
gibberellin - Science Definition