General Definition: 1. Any piece of clothing with a square neckline, or any thing or any action directly or indirectly associated with this, such as a square shaped neck ornament and, especially, a tunic or a bib. As a Noun: 1. A piece of clothing which covers the top part of your body and reaches to your hips, thighs, or knees. English = tunic. 2. A piece of cloth or plastic which is worn by very young children while they are eating, to protect their clothes. English = bib.