While it might seem like it should be "armsful," the word "armful" is a single unit, representing a quantity that can be held in one's arms. Therefore, the plural form follows the standard English rule for making plurals.
While it might seem like it should be "armsful," the word "armful" is a single unit, representing a quantity that can be held in one's arms. Therefore, the plural form follows the standard English rule for making plurals.