D defs.my
Entry 1 sense Webster, 1913

Could

/(k??d)/ · IPA /kəd/
01 imp. Was, should be, or would be, able, capable, or susceptible. Used as an auxiliary, in the past tense or in the conditional present.
  1. 1.
    Was, should be, or would be, able, capable, or susceptible. Used as an auxiliary, in the past tense or in the conditional present.