Lot  n. 1 colloq. (prec. By a or in pl.) A a large number or amount (a lot of people; lots of milk). B colloq. Much (a lot warmer; smiles a lot). 2 a each of a set of objects used to make a chance selection. B this method of deciding (chosen by lot). 3 share or responsibility resulting from it. 4 person's destiny, fortune, or condition. 5 (esp. Us) plot; allotment of land (parking lot). 6 article or set of articles for sale at an auction etc. 7 group of associated persons or things.  cast (or draw) lots decide by lots. Throw in one's lot with decide to share the fortunes of. The (or the whole) lot the total number or quantity. A whole lot colloq. Very much (is a whole lot better). [old english]