Wikipedia
Battōjutsu
("the craft of drawing out the sword") is an old term for iaijutsu. Battōjutsu is often used interchangeably with the terms iaijutsu and battō.
Generally, battōjutsu is practiced as a part of a classical ryū and is closely integrated with the tradition of kenjutsu and is practice with the live-blade, katana, often as simply the sole, kata. The training is for combative effectiveness, through factors such as distancing, timing and targeting. As such, battōjutsu is not intended for sportslike or "spiritual" purposes as are modern budo like iaido and kendo.