What is Quiver ?
Quiver is (noun) 1. a slight shake The only sign of any emotion was a slight quiver in his hand as he signed the contract. A quiver of excitement ran through the crowd. 2. a container for arrows Robin Hood carried a quiver of arrows on his back. (verb) to shake slightly The dog watched the snake, quivering with fear. The children rushed to the Christmas tree, quivering with excitement. Synonym tremble
source: Easier English, Student Dictionary Upper Intermediate Level