lid

noun

1. either of two folds of skin that can be moved to cover or open the eye

   noun.body

   Examples

   His lids would stay open no longer.

   Synonyms eyelid palpebra

   Source: WordNet 3.0

2. a movable top or cover (hinged or separate) for closing the opening at the top of a box, chest, jar, pan, etc.

   noun.artifact

   Examples

   He raised the piano lid.

   Source: WordNet 3.0

3. headdress that protects the head from bad weather; has shaped crown and usually a brim

   noun.artifact

   Synonyms chapeau hat

   Source: WordNet 3.0

4. That which covers the opening of a vessel or box, etc.; a movable cover; as, the <i>lid</i> of a chest or trunk.

   noun

   Source: webster1913