Done (as bowling or pitching) with the arm raised above the shoulder. See overhard.(adjective)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "over-arm" in a sentence
"An eight-foot spear is turned into a four-foot spear if it is held over-arm."
"To deploy a spear over-arm, a man has to throw the spear upwards, quickly get his arm underneath it, and catch it again (unless he was holding it upside down, with the butt spike in the air, but this is never pictured, and would mean that the main spearhead would get blunted on hard ground)."
"With over-arm use, his neighbours are possibly within reach."