epicormicPronunciation: /ˌɛpɪˈkɔːmɪk/Definition of epicormic adjective Botany (of a shoot or branch) growing from a previously dormant bud on the trunk or a limb of a tree. Origin: early 20th century: from epi- 'upon' + Greek kormos 'tree trunk'epicormic in other Oxford dictionaries Definition of epicormic in the US English dictionary