definition of
installment

[1] #1 installment n. a payment of part of a debt; usually paid at regular intervals. wn

[2] #2 installment n. [episode, instalment] a part of a broadcast serial. wn

[3] #3 installment n. [instalment] a part of a published serial. wn

[4] #4 installment n. [installation, installing, instalment] the act of installing something (as equipment); "the telephone installation took only a few minutes". wn