noun
Refers to the branched horn of a deer or similar animal. The reading えだつの is a less common variant.
雄鹿の枝角は毎年生え変わる。
A male deer's antlers are shed and regrown every year.
角 is a general term for horn or antler, while 枝角 specifically refers to branched antlers.
Compound of 枝 (eda, 'branch') and 角 (tsuno, 'horn'), with rendaku voicing of つ to づ.