Jack Dempsey

noun

Rocio octofasciata, a cichlid fish Native to Mexico and Honduras, but widely kept in aquaria and introduced elsewhere in the wild.

Meanings

nounJack Dempsey (plural Jack Dempseys)

plural Jack Dempseys

  1. Rocio octofasciata, a cichlid fish Native to Mexico and Honduras, but widely kept in aquaria and introduced elsewhere in the wild.

Origin

Named after the American boxing champion Jack Dempsey (1895–1983), because of its aggressive nature and strong facial features.

Full word history & related roots →
Cite this entry
APA

Jack Dempsey. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Jack%20Dempsey

MLA

“Jack Dempsey.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Jack%20Dempsey. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Jack Dempsey,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Jack%20Dempsey.

Source: Jack Dempsey on Wiktionary, CC BY-SA 4.0.