What is the meaning of the word "lidless"?

Definitions:

  1. always watchful copy to clipboard adjective
    • to an eye like mine, a lidless watcher of the public weal Alfred Tennyson copy to clipboard
  2. having no lid copy to clipboard adjective
    • a lidless container copy to clipboard
  3. not having or covered with a lid or lids copy to clipboard adjective
    • a lidless container copy to clipboard

Synonyms: