1. a toy or object designed for babies to chew on while their teeth are coming through their gums

Examples

• The baby was gnawing on her favorite rubber teether.
• We bought several different teethers to help soothe his sore gums.
• The teether was made of safe, non-toxic silicone.
• She dropped her teether and started crying.
• The frozen teether provided extra relief for the teething infant.
• Parents should regularly clean their baby’s teether to prevent bacteria buildup.