What is the meaning of the word "a couple of"?

Definitions:

  1. A pair of. copy to clipboard ADJECTIVE
    • Can you lend me a couple of dollars?. copy to clipboard
  2. more than one but indefinitely small in number copy to clipboard adjective
    • I bought a couple of apples at the market. copy to clipboard
    • I have a couple of tasks to complete before I go to bed tonight. copy to clipboard
  3. Two or a few. copy to clipboard ADJECTIVE
    • I think that I've seen her a couple of times before. copy to clipboard
    • It happened a couple of days ago. copy to clipboard

Synonyms: