adverb
Etymology: Middle English ones or twies, from ones once + or + twies twice
: a couple of times : a few times : occasionally
have seen her once or twice during the past month
adverb
Etymology: Middle English ones or twies, from ones once + or + twies twice
: a couple of times : a few times : occasionally
have seen her once or twice during the past month
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012