giz·mo also gis·mo 
(gĭzmō)
(gĭzmō)n. pl. giz·mos also gis·mos
A mechanical device or part whose name is forgotten or unknown; a gadget.
[Origin unknown.]
- postnatal
- postnatally
- postnuptial
- postnuptially
- post office
- post office box
- post-op
- postop
- postoperative
- postoperatively
- postorbital
- postpaid
- postpartum
- post-polio syndrome
- postponable
- postpone
- postponement
- postpose
- postposition
- postpositional
- postpositionally
- postpositive
- postpositively
- postprandial
- postprandially