脇 - armpit, the other way, another place

armpit; under one's arm; side; flank

supporting role (actor); minor role

looking from the side

wrestler of the third highest rank

robe worn by military officials with a round collar, unstitched open sides, and no wrapped fabric along the bottom

sides of the chest

side-decoration elements on a traditional Japanese helmet

side seating (to stage right in noh)

flanking image (e.g. in a Buddha triad)

sub-temple; affiliated temple

downstage left (in noh), where the secondary actor is often seated

any of a number of respectful terms written after the addressee's name in a formal letter