Definition of forebeam:
(n) :
(nautical) A horizontal spar across the bow of some sailing vessels, used to stabilize the hulls of a catamaran, to secure a bowsprit, or to tie down the tack when there is no bowsprit.
(n) :
The breast beam of a loom.
(n) :
(robotics) The support section of a robot arm that goes from the main body of the robot to the gripper.
(n) :
The leading portion of a remote signal from a moving source.