The crossword solutions for the term 'A RAT' are 'SMELL' (5 letters) and 'EEK' (3 letters). The term 'A RAT' is commonly used to refer to a rodent of the genus Rattus, which are small mammals that are found in many parts of the world. The word 'SMELL' is often associated with rats, as they have a strong sense of SMELL and use it to find food and navigate their environment. The word 'eek' is an expression of surprise or fear, and is often used when someone encounters a rat.