The Collaborative International Dictionary of English v.0.48:
Tiver \Tiv"er\, n. [AS. te['a]for, te['a]fur.] A kind of ocher which is used in some parts of England in marking sheep. [Prov. Eng.] [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Tiver \Tiv"er\, v. t. To mark with tiver. [Prov. Eng.] [1913 Webster]