The term "eleventh" refers to the ordinal number that comes after the tenth and before the twelfth. It is commonly used to indicate the position of an item in a sequence, such as in a list or ranking. For example, if you finish a race in the eleventh position, it means you were the eleventh person to cross the finish line. In mathematics, "eleventh" can also relate to fractions, where it represents one part of eleven equal parts. For instance, 1/11 is a fraction that signifies one out of eleven total parts, often used in various calculations and measurements.