Final Answer:
An etymological definition is a definition that traces the origin and development of a word. In this case, the definition of "dexterity" as "derived from the Latin word dexter, which means 'on the right' or 'means right hand'" is an etymological definition. so, the correct answer is B. Etymological.
Step-by-step explanation:
Etymological: This type of definition explains the origin and history of a word. In this case, the definition of "dexterity" is provided by tracing its roots back to the Latin word "dexter," which means on the right or right hand.
While other types of definitions exist, such as extensional/intensional and operational, synonymous, and definition by genus and difference, the given explanation aligns most closely with an etymological definition.
Therefore, the correct answer is B. Etymological.