1 (also springer spaniel) a small spaniel of a breed originally used to spring game. There are two main breeds, the English springer, typically black and white or brown and white, and the less common red and white Welsh springer.
2 Architecture the lowest stone in an arch, where the curve begins.
3a cow or heifer near to calving:for sale—two Friesian springers, first and second calvers
4South African any of a number of fish noted for leaping out of the water, in particular:
the tenpounder or ladyfish.
the skipjack tuna.
springer in other Oxford dictionaries
Definition of springer in the US English dictionary