あいくち

Etymology
Compound of.

Noun

 * 1)  compatibility, rapport, or cooperativeness in anything done together with others
 * 2)  getting along well with others, affinity
 * 3)  the join or fit between stones or bricks in masonry or other wall building
 * 4)  the join or fit between a lid and a container
 * 5)  a style of constructing a  without a crossguard, so that the hilt fits directly against the opening of the scabbard
 * 6)  a specific type of dagger with no crossguard, where the hilt fits directly against the opening of the scabbard, often kept concealed in one's clothing
 * 1)  a style of constructing a  without a crossguard, so that the hilt fits directly against the opening of the scabbard
 * 2)  a specific type of dagger with no crossguard, where the hilt fits directly against the opening of the scabbard, often kept concealed in one's clothing