A baluster is a type of railing support that consists of a post or SPINDLE, typically made of wood or stone. It is commonly used in staircases and balconies to provide support and stability. The term 'baluster' is derived from the Italian word 'balaustra, ' which means 'pomegranate flower.' The RAIL of a baluster is often referred to as a 'RAIL, ' which is a four-letter word. The SPINDLE of a baluster is often referred to as a 'SPINDLE, ' which is a seven-letter word.