ushiroawase
1. back to back
Adverb
1. back to back
1. back; behind
1. waiting room
1. to come into contact with; to touch (each other)
1. interval; break
1. to intertwine; to become entangled
2. to become intertwined (of matters, interests, etc.); to become connected
1. meeting together; introduction
2. costarring; appearing together
3. being matched; facing off
1. (a person's) appearance from behind; person as seen from behind
1. aizuchi; backchanneling
2. two smiths hammering at an object in turn