The Collaborative International Dictionary of English v.0.48:
Upspring \Up*spring"\, v. i. To spring up. --Tennyson. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Upspring \Up"spring`\, n. 1. An upstart. [Obs.] "The swaggering upspring." --Shak. [1913 Webster] 2. A spring or leap into the air. [R.] --Chapman. [1913 Webster]