conifer conifer /ˈkɒn.ɪ.fər/ aep /ˈkɑː.nɪ.fɚ/ noun [C] ► F0 one of various types of evergreen tree (= one that never loses its leaves) that produce fruit in the form of conesThesaurus+: ↑Types of evergreen and coniferous treeconiferous /kəˈnɪf.ər.əs/ aep /-ɚ-/ adjective ► F0» a coniferous forestThesaurus+: ↑Trees - general words