The definition of an apron is something that is worn to protect the front part of the body or to keep clothes from getting soiled.(noun)
A pinafore is an example of an apron.
See apron in Webster's New World College Dictionary
Origin: by faulty separation of a napron < ME napron < OFr naperon < nape, a cloth < L mappa, napkin
See apron in American Heritage Dictionary 4
Origin: Middle English
Origin: , from an apron
Origin: , alteration of a napron
Origin: , from Old French naperon
Origin: , diminutive of nape, tablecloth
Origin: , from Latin mappa, napkin; see map.
Learn more about apron