allot vs. a lot

allot

verb (used with object)

allotted, allotting.
  1. to divide or distribute by share or portion; distribute or parcel out; apportion:

    to allot the available farmland among the settlers.

  2. to appropriate for a special purpose:

    to allot money for a park.

  3. to assign as a portion; set apart; dedicate.

a lot