Definition of carabiner
: an oblong metal ring with one spring-hinged side that is used especially in mountain climbing as a connector and to hold a freely running rope
Variants of carabiner
Origin of carabiner
German Karabiner, short for Karabinerhaken, literally, carabineer's hook
First Known Use: 1920
Learn More about carabiner
Britannica.com: Encyclopedia article about "carabiner"
Seen and Heard
What made you want to look up carabiner? Please tell us where you read or heard it (including the quote, if possible).