a. [ From Twenty; cf. AS. twentigoða. See Twenty. ] 1. Next in order after the nineteenth; tenth after the tenth; coming after nineteen others; -- the ordinal of twenty. [ 1913 Webster ]
2. Constituting, or being, one of twenty equal parts into which anything is divided. [ 1913 Webster ]
[はつかしょうがつ, hatsukashougatsu](n) twentieth day of the first month (end of New Year celebrations, upon which remaining New Year's food is eaten, decorations are stowed away, etc.)[Add to Longdo]