Meanings

putting (a charge) on the room (at a hotel)

Local Group (of galaxies)

mature-aged woman who has never given birth

umbrella organization

drive unit

nape (of the neck)

bass (line, part)

student enrolled from an unaffiliated lower-level school

upper gastrointestinal endoscope

student enrolled from an affiliated lower-level school

faculty of humanities and sciences

rear guard

faculty of political science and economics

quartet

muzzle (of a dog, cat, etc.)

boss room

ward area (of Tokyo)

opening (e.g. of a bag)

photosensor (e.g. of a remote control)

oral region