D defs.my
Entry 1 sense Webster, 1913

Prorate

/prōr'-āt'/ · Pro·rate · IPA /pɹoʊˈɹeɪt/
01 v. t. To divide or distribute proportionally; to assess pro rata.
imp. & p. p. Prorated; p. pr. & vb. n. Prorating
  1. 1.
    To divide or distribute proportionally; to assess pro rata.[U.S.]