Definition of dit in English:

dit

noun

(in the Morse system) another term for dot
‘It's one thing to read a bunch of dits and dahs on paper, but it's much harder to decipher the sounds.’
(in the Morse system) another term for dot
‘As a ham radio operator, however, ‘I can still sit down in front of the radio and translate the dits and dots almost as fast as I ever did.’’

Origin

Second World War imitative.

Pronunciation

dit

/dɪt/