[with.in] adv [ME withinne, fr. OE withinnan, fr. with + innan inwardly, within, fr. in] (bef. 12c) 1: in or into the interior: inside
2: in one's inner thought, disposition, or character: inwardly "search ~ for a creative impulse --Kingman Brewster, Jr."
[2]within prep (12c) 1--used as a function word to indicate enclosure or containment 2--used as a function word to indicate situation or circumstance in the limits or compass of: as a: before the end of "gone ~ a week" b (1): not beyond the quantity, degree, or limitations of "live ~ your income" (2): in or into the scope or sphere of "~ the jurisdiction of the state" (3): in or into the range of "~ reach" "~ sight" (4)--used as a function word to indicate a specified difference or margin "came ~ two points of a perfect mark" "~ a mile of the town"
3: to the inside of: into [3]within n (15c): an inner place or area "revolt from ~" [4]within adj (1748): being inside: enclosed "the ~ indictment"