an individual quantity of food or drink taken as part of a meal; "the helpings were all small"; "his portion was larger than hers"; "there's enough for two servings each"
developed or executed with care and in minute detail; "a detailed plan"; "the elaborate register of the inhabitants prevented tax evasion"- John Buchan; "the carefully elaborated theme"
incapable of failure or error; "an infallible antidote"; "an infallible memory"; "the Catholic Church considers the Pope infallible"; "no doctor is infallible"