The Collaborative International Dictionary of English v.0.48:
Allowance \Al*low"ance\, v. t. [imp. & p. p. Allowancing.] [See Allowance, n.] To put upon a fixed allowance (esp. of provisions and drink); to supply in a fixed and limited quantity; as, the captain was obliged to allowance his crew; our provisions were allowanced. [1913 Webster]