(typography) an intercharacter space, the white space between the bottom/right edge of one character and the top/left edge of the next character, corresponding to "tracking" in Western typography

(typography) gutter

a relatively small tatami mat used in apartments

a tatami mat of the Edo (Tokyo) style

(music) to be offbeat / to be faulty; to contain mistakes

instant (period of time), the moment that something happens

(with the particle に (ni)) in the twinkling of an eye; in a flash

bill / card

(honorific, used adverbially) ...says

(immunology) vaccine / (dated) Clipping of ワクチンソフトウェア (wakuchin sofutowea, “antivirus software”).