echo

a sound that travels out, meets a hard surface and returns, so the same person hears it again

(figurative) Something that reflects or hearkens back to an earlier thing.

An utterance repeating what has just been said.

The displaying on the command line of the command that has just been executed.

(informal) Clipping of echocardiography.

(informal) Clipping of echocardiogram.

(figurative) Sympathetic recognition; response; answer.

(figurative) An insignificant indirect result; a ripple.

Alternative letter-case form of Echo from the NATO/ICAO Phonetic Alphabet.

An antisemitic punctuation symbol or marking, ((( ))), placed around a name or phrase to indicate the person is Jewish or the entity is controlled by Jewish people; or repurposed or reclaimed to proudly declare one's Jewishness or solidarity with Jews.

A device in verse in which a line ends with a word which recalls the sound of the last word of the preceding line.

An individual discussion forum using the echomail system.

A signal, played in the same manner as a trump signal, made by a player who holds four or more trumps (or, as played by some, exactly three trumps) and whose partner has led trumps or signalled for trumps.

A signal showing the number held of a plain suit when a high card in that suit is led by one's partner.

Of a sound or sound waves: to reflect off a surface and return; to reverberate or resound.

To reflect back (a sound).

To repeat its input as input to some other device or system.

(figurative) To repeat (another’s speech, opinion, etc.).

(figurative) Of a rumour, opinion, etc.: to spread or reverberate.

To give the echo signal, informing one's partner about cards one holds.