A layette BUY is a person who purchases items for a newborn baby, such as clothing, bedding, and other necessities. The term 'layette BUY' can be broken down into two words: 'layette, ' which refers to the collection of items for a newborn baby, and 'BUY, ' which means to purchase. The crossword solutions for the term 'layette BUY' are 'onesie, ' which is a type of garment typically worn by infants. Onesies are usually made of cotton or a soft fabric and have snaps at the bottom for easy changing.