Other forms: springboards
A springboard is a flexible board that throws a diver into the air. Bounce on the springboard, springboard diving, off the springboard.
Olympic springboard diving is from three metres, and the height a diver reaches comes from the board rather than the legs. The figurative use is common: a springboard is anything that launches a career.
1nounspringboardA flexible board that throws a diver into the air.
“She bounced twice on the springboard and dived into the pool.”
springboard is a board.
Spring plus board, from the board's springing action.
From spring + board.
Etymology from Wiktionary, CC BY-SA