several times; a few times; once or twice
Indicates an unspecified small number of occurrences, often implying repetition but not a large count. The exact number is vague and context-dependent.
I've met him a few times.
I called several times, but couldn't get through.
Combination of 何度 (how many times) and the particle か, which adds a sense of indefiniteness, yielding 'some number of times'.