tablespoon -
A large spoon, used for eating food from a bowl.
tablespoon -
A spoon too large for eating, usually used for cooking or serving.
tablespoon -
A unit of volume, the value of which varies regionally; in the US: three teaspoons or roughly 15 ml; in Britain and Canada: exactly 15 ml; in Australia: four teaspoons or 20 ml.
Wikipedia
A tablespoon is a type of large spoon usually used for serving. A tablespoonful, an amount approximately equal to the capacity of one tablespoon, is commonly used as a measure of volume in cooking. It is abbreviated in English as T, tb, tbs, tbsp, tblsp, or tblspn.