installment
1. in.stall.ment or in.stal.ment \in-'sto.l-m*nt\ n : INSTALLATION 2. installment also instalment n [alter. of earlier estallment payment by installment, deriv. of OF est]aler to place, fix, fr. estal place, of Gmc origin; akin to OHG stal place, stall 1: one of the parts into which a debt is divided when payment is made at in tervals 2a: one of several parts (as of a publication) presented at intervals 2b: one part of a serial story - installment aj