The crossword solution for the term SPOT FOR MASCARA is LASH, which is a four-letter word. Lashes are the hairs that grow at the edge of the eyelids and are often enhanced with mascara to create a more dramatic look. Mascara is a cosmetic product used to darken, thicken, lengthen, and define the eyelashes. Therefore, a spot for mascara would be the eyelashes, which is represented by the crossword solution LASH.