A high chair is a piece of furniture

Furniture

Furniture is the mass noun for the movable objects intended to support various human activities such as seating and sleeping in beds, to hold objects at a convenient height for work using horizontal surfaces above the ground, or to store things...

 used for feeding older babies and younger toddler

Toddler

A toddler is a young child, usually defined as being between the ages of one and three. Registered nurse, midwife and author, Robin Barker, states 'Any time from eight months onwards your baby will begin to realise he is a separate person from you...

s. The seat is raised a fair distance from the ground, so that a person of adult height may spoon-feed the child comfortably from a standing position. It often has a wide base to increase stability. There is a tray which is attached to the arms of the high chair, which allows the adult to place the food on it for either the child to pick up and eat or for the food to be spoon-fed to them. High chairs typically have seat belts to strap the child in.

A booster chair is meant to be used with a regular chair to boost the height of a child sufficiently. Some boosters are a simple monolithic piece of plastic. Others are more complex and are designed to fold up and include a detachable tray.

Rarely, a chair can be suspended from the edge of the table avoiding the need for an adult chair or a high chair.

• High chair safety information from Seattle Children's Hospital.