TELEGRAPH KEY

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Key consisting of a lever that sends a telegraph signal when it is depressed and the circuit is closed

Classified under:

Nouns denoting man-made objects

Hypernyms ("telegraph key" is a kind of...):

key (a lever (as in a keyboard) that actuates a mechanism when depressed)

Credits