gate·way 
(gātwā′)
(gātwā′)n.
1. An opening or a structure framing an opening, such as an arch, that may be closed by a gate.
2. Something that serves as an entrance or a means of access: a gateway to success; the gateway to the West.
3. Software or hardware that enables communication between computer networks that use different communications protocols. Also called router2.
- contrabandage
- contrabandist
- contrabass
- contrabassist
- contrabassoon
- contraception
- contraceptive
- contract
- contractarian
- contractarianism
- contractarianist
- contract bridge
- contractibility
- contractible
- contractile
- contractile vacuole
- contractility
- contraction
- contractor
- contractual
- contractualism
- contractually
- contracture
- contradance
- contradance