rack rail
noun
A toothed rail which engages the teeth of a cogwheel, especially on the locomotives of a rack railway.
Origin
Early 19th century; earliest use found in Niles' Weekly Register.
- agenesis
- agenization
- agenized
- agent
- agente provocateuse
- agentess
- agent general
- agential
- agentially
- agenting
- agentive
- agentivity
- agentless
- agent noun
- Agent Orange
- agent provocateur
- agent provocateuse
- agentry
- agentship
- agent word
- Age of Aquarius
- age of consent
- age of discretion
- age of innocence
- age of reason