(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) the distribution of any plural number of CJK characters and whitespaces so that they are justified within a specific number of ems, for example, 2 or 3 characters within 4 ems; typically used for titles and headers

Obsolete spelling of スウェーデン (“Sweden”)

(obsolete) Alternative form of 隧道 (zuidō, “tunnel”)

Kyūjitai form of 数学 (“mathematics”)

water tank / aquarium (water tank with fish in the water)

water plant

(medicine) dropsy

burial at sea

a complex number