Taster/ˈteɪstər/ Definition 1 of 3Pro Tip 1/3Job Role Refers to someone's occupation, often in food and drink industries. He pursued a career as a coffee taster. Pro Tip 2/3Expert Palate Tasters typically have a refined sense of taste and smell. The chocolate taster distinguished all subtle flavors in the sample. Pro Tip 3/3Not Always Human Sometimes, 'taster' can refer to devices that test quality. The lab uses an electronic taster for water quality.