Fishmonger/ˈfɪʃmɑːŋɡər/ Definition 1 of 1Pro Tip 1/3Market Visits Used to describe the seller or outlet visited mainly during grocery shopping for seafood. I'll stop by the fishmonger after work for some prawns. Pro Tip 2/3Profession Refers to the occupation of selling fish, often implying expertise in seafood. My uncle has been a fishmonger for 30 years and knows all about fish. Pro Tip 3/3Freshness Emphasis Suggests that a fishmonger is typically a place to buy fresh, not frozen, seafood. We need a fishmonger that offers the freshest mackerel.