SportsAugust 28, 2026
rosin
RAH-zin
Definition
A sticky, translucent substance made from pine resin, used by baseball pitchers on their hands to improve their grip on the ball.
Etymology
Derived from the Old French 'rosine,' which comes from the Latin 'resina,' ultimately tracing back to Ancient Greek roots referring to the sap of trees.
In the news
The article mentions a reliever flipping a rosin bag, which is a standard action pitchers take on the mound to maintain control of the baseball during competition.
Chicago baseball report: Pedro Ramírez filling void for Cubs — and how Grant Taylor stays fresh for White Sox
Read the full article ↗Chicago Tribune