Examples from the Web for blocker
Mr. Blocker's Bat, which he carried through a whole season without scoring once off it.
Blocker's foreman, disdaining an invitation to dismount, saluted his host.Wells Brothers|Andy Adams
British Dictionary definitions for blocker
Word Origin and History for blocker
c.1400 of a tool, c.1600 of a person, agent noun from block (v.). U.S. football sense from 1914.