敬二, 桂司, 敬司, 慶二, 敬治, 啓史, 啓司, 啓次: a male given name / 啓治, 圭司, 恵二, 恵治, 桂二, 敬次, 恵司, 啓二: a male given name / 圭二: a male given name

敬太: a male given name / 敬大: a male given name / 圭太: a male given name / 京太: a male given name / 啓太: a male given name / 慶田: a surname

内形: internal dimensions / 内径: inside diameter

模型: plastic hobby model

養鶏: poultry farming, chicken raising

形態論: linguistic morphology

a dodecagon

a octadecagon

a icosagon

light machine gun (machine gun which can be operated by one person)