Teaspoon

имя существительное чайная ложка

Большой англо-русский словарь

Teaspoon

noun 1. a small spoon that is used especially for eating soft foods and stirring beverages and that holds about one third of a tablespoon 2. a unit of measure especially in cookery equal to 1/6 fluid ounce or 1/3 tablespoon (5 milliliters)

Merriam-Webster's Collegiate Dictionary