Bible Dictionaries
Pay Streak

Webster's Dictionary

(1):

The zone, parallel to the walls of a vein, in which the ore is concentrated, or any narrow streak of paying ore in less valuable material.

(2):

A stratum of oil sand thick enough to make a well pay.

Bibliography Information
Webster, Noah. Entry for 'Pay Streak'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/pay-streak.html. 1828.