late 16th cent. (originally as a heraldic term meaning represent the head or limb of an animal with a jagged edge): from Latin eras-scraped away, from the verb eradere, from e-(variant of ex-) out + raderescrape
英英释义网络释义
vern
1.remove from memory or existence;
The Turks erased the Armenians in 1915
2.remove by or as if by rubbing or erasing;
Please erase the formula on the blackboard--it is wrong!