installment in*stall"ment, instalment in*stal"ment, n. 1. The act of installing; installation. [1913 Webster]

Take oaths from all kings and magistrates at their installment, to do impartial justice by law. --Milton. [1913 Webster]

2. The seat in which one is placed. [Obs.] [1913 Webster]

The several chairs of order, look, you scour; . . . Each fair installment, coat, and several crest With loyal blazon, evermore be blest. --Shak. [1913 Webster]

3. A portion of a debt, or sum of money, which is divided into portions that are made payable at different times; that portion of a debt payed back in any one payment; as, the next installment is due January first. Payment by installment is payment by parts at different times, the amounts and times being often definitely stipulated. --Bouvier. [1913 Webster +PJC]

4. a part of a broadcast serial. [WordNet sense 1]

Syn: episode. [WordNet 1.5]

5. a part of a published serial. [WordNet sense 2] [WordNet 1.5]

The Collaborative International Dictionary of English. 2000.