Find the word definition

Wiktionary
agony box

n. 1 (context slang English) A piano. 2 (context slang English) A phonograph. 3 (context slang English) A radio.

Usage examples of "agony box".

The subtleties of Voice and those painful forms of interrogation that remained a Sisterhood monopoly -- the agony box and nerve-node pressures -- those were all she would require.