Godan verb with 'ru' ending, Transitive verb
to take home; to carry home; to bring back home; to take out (e.g. food)
ミツバチは、においのサンプルを巣に持ち帰ることによって食糧のありかを伝える。Bees communicate the location of food by carrying odor samples back to the hive.
Also written 持帰る【もちかえる】