I. sprung 1 /sprʌŋ/ BrE AmE
a past tense and the past participle of ↑ spring 2
II. sprung 2 BrE AmE adjective
supported or kept in shape by ↑ spring s :
a sprung mattress
I. sprung 1 /sprʌŋ/ BrE AmE
a past tense and the past participle of ↑ spring 2
II. sprung 2 BrE AmE adjective
supported or kept in shape by ↑ spring s :
a sprung mattress
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012