(grammar) a verbal conjugation class in which the stem ends in -e:

(grammar) The Classical Japanese bigrade verb conjugation class, consisting of the two subclasses of 上(かみ)二(に)段(だん)活(かつ)用(よう) (kami nidan katsuyō, “upper-bigrade conjugation”) and 下(しも)二(に)段(だん)活(かつ)用(よう) (shimo nidan katsuyō, “lower-bigrade conjugation”)

(linguistics, uncommon) trigrade conjugation / (informal) 3-step process

(computing, Internet) Reverse Address Resolution Protocol, RARP

(Buddhism) think on the power of Kannon

(grammar) a verbal conjugation class in which the verb stem ends in k-, with minor historical changes

(grammar) a verbal conjugation class in which the verb stem ends in s-

(Classical Japanese grammar) a verbal conjugation class in which the verb stem ends in r- with four irregular bases: -a, -i, -u, and -e

(Classical Japanese grammar) a verbal conjugation class with the following inflections: -e/-e/-u/-uru/-ure/-e[yo]

(Classical Japanese grammar) a verbal conjugation class which has the following inflections: -i/-i/-u/-uru/-ure/-i[yo]