Uncurl \Un*curl"\, v. i. To become uncurled, or straight. [1913 Webster]
Uncurl \Un*curl"\, v. t. [1st pref. un- + curl.] To loose from curls, or ringlets; to straighten out, as anything curled or curly. [1913 Webster] He sheaths his paw, uncurls his angry mane. --Dryden. [1913 Webster]