Entry 2 senses · 2 variants Webster, 1913 Hotspur · Hot·spur · IPA /ˈhɒtspɜː(ɹ)/ n. a. 01 n. A rash, hot-headed man. 1. A rash, hot-headed man. 02 a. Violent; impetuous; headstrong. 1. Violent; impetuous; headstrong.