The term 'BAT EYELASHES' can be broken down into three crossword solutions: FLIRT (5 letters), CILIATE (7 letters), and CILIA (5 letters). FLIRT is a verb meaning to behave amorously without serious intent. CILIATE is an adjective describing a type of organism with CILIA, which are small, hairlike projections that help the organism move. CILIA is a noun referring to the aforementioned hairlike projections. Together, these three words describe the appearance of bat eyelashes, which are long, thin, and hairlike.