Meanings
- Mastoid ecchymosis: a late indication of fracture of middle cranial fossa of the skull, appearing as bruising over one or both of the mastoid processes at least a day after the injury, and sometimes associated with underlying brain trauma.
Origin
Named after William Henry Battle.
Full word history & related roots →Cite this entry
Battle's sign. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Battle's%20sign
“Battle's sign.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Battle's%20sign. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “Battle's sign,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Battle's%20sign.
Source: Battle's sign on Wiktionary, CC BY-SA 4.0.