The term 'bikini component' refers to two items of clothing that are typically worn together as part of a bikini set. The two crossword solutions for this term are 'ISLE, ' which is a four-letter word, and 'bra, ' which is a three-letter word. An ISLE is a type of garment that covers the lower half of the body, usually extending from the waist to the upper thigh. A bra is a type of undergarment that covers the breasts and is typically worn with an ISLE. Together, these two items form a complete bikini set.