The term 'butterfly or moth' is a reference to the order of insects known as Lepidoptera. This order includes both butterflies and moths, which are characterized by their four wings covered in overlapping scales. The crossword solutions for this term are 'Lepidopteran' (12 letters) and 'Imago' (5 letters). 'Lepidopteran' is the scientific name for the order of insects that includes butterflies and moths, while 'Imago' is the scientific term for the adult stage of the insect's life cycle.