preseason noun 1verb 1forms 3 noun1 •The period before the start of a sporting season, during which players undergo training and venues are prepared verb1 •To season in advance.The most popular Dutch ovens are constructed of enameled cast iron, which requires none of the preseasoning and special care of ordinary cast iron but maintains the same gentle, even heat. — 2004 formspreseasoned · preseasoning · preseasons