From Longman Dictionary of Contemporary Englishpreschoolerpreschool‧er /ˌpriː ˈskuːlə $ -ər/ noun [countable] American EnglishSEP a child who does not yet go to school, or who goes to preschool
Examples from the Corpus
preschooler• And with a preschooler or a school-age child, you could expect longer and longer dialogues.• While playing with a preschooler you might communicate visually.• You can follow the same strategy with a preschooler.• She said antidepressants such as Prozac have not been studied in preschoolers.• Experiments with water Older preschoolers will enjoy these simple experiments, which will need your supervision and explanation.• Soon preschoolers will get their shot using new peripherals and software developed jointly by Compaq Computer Corp. and Fisher-Price.