一六 [いちろく] /(n) (1) (rolling) a 1 and a 6 (with two dice)/(n) (2) (See 一六勝負・1) (abbr) dice gambling/(n) (3) (sl) (armed) robbery/mugging/(n) (4) (See 一六日) (hist) Edo period to early Meiji non-working day falling on all days of the month with a 1 or a 6 in it (when written in kanji numerals, i.e. the 1st, 11th, 16th, 21st and 26th days of the month)/EntL2851011/