Meanings
nounbump cap (plural bump caps)
plural bump caps
- USA baseball cap with an inner protective shell of hard plastic.
Synonyms & antonyms
nounA hard hat.
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Also see
Cite this entry
APA
bump cap. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/bump%20cap
MLA
“bump cap.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/bump%20cap. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “bump cap,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/bump%20cap.
Source: bump cap on Wiktionary, CC BY-SA 4.0.