Definition of ha
- (n) home automation; HA
- (prt) topic marker particle
- indicates contrast with another option (stated or unstated)
- adds emphasis
- (n) 3rd in a sequence denoted by the iroha system; 3rd note in the diatonic scale (used in key names, etc.)
- (n) large fan-shaped object held by an attendant and used to conceal the face of a noble, etc.