The term 'Transatlantic' refers to the crossing of the Atlantic Ocean between the continents of Europe and North America. The two words that make up this term are 'American' (8 letters) and 'Oversea' (7 letters). American is used to describe something or someone from the United States, while Oversea is used to describe something or someone from a foreign country. Together, these two words refer to the crossing of the Atlantic Ocean between the two continents.