coupling, coupler
(noun) a mechanical device that serves to connect the ends of adjacent objects
Source: WordNet® 3.1
coupler (plural couplers)
(now rare) Someone who couples things together, especially someone whose job it is to couple railway carriages.
Anything that serves to couple things together; but especially a device that couples railway carriages.
(music) A device that connects two keyboards of an organ together so that they play together.
A device used to convert electronic information into audible sound signals for transmission over telephone lines.
An electrical device used to transfer energy from one electric device to another, especially without a physical connection.
Source: Wiktionary
Coup"ler (kp"lr), n.
Definition: One who couples; that which couples, as a link, ring, or shackle, to connect cars. Coupler of an organ, a contrivance by which any two or more of the ranks of keys, or keys and pedals, are connected so as to act together when the organ is played.
Source: Webster’s Unabridged Dictionary 1913 Edition
29 May 2025
(adjective) characterized by careful evaluation and judgment; “a critical reading”; “a critical dissertation”; “a critical analysis of Melville’s writings”
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
