serotine UK /ˈsɛɹətaɪn/US /ˈsɛɹət(ɪ)n/adjective 1noun 1forms 3 adjective1 •Developing at a later time or later in a season, especially than is customary with allied species; specifically (botany), of a plant: flowering late in a season. noun1 •Any of the genus Eptesicus of several small bats. formsserotines · more serotine · most serotine
