(n)part, portion, component part, component, constituentsomething determined in relation to something that includes it“he wanted to feel a part of something bigger than himself”, “I read a portion of the manuscript”, “the smaller component is hard to reach”, “the animal constituent of plankton”
(n)partthat which concerns a person with regard to a particular role or situation“it requires vigilance on our part”, “they resisted every effort on his part”
(n)region, partthe extended spatial location of something“the farming regions of France”, “religions in all parts of the world”, “regions of outer space”
(n)function, office, part, rolethe actions and activities assigned to or required or expected of a person or group“the function of a teacher”, “the government must do its part”, “play its role”
(n)part, section, divisionone of the portions into which something is regarded as divided and which together constitute a whole“the written part of the exam”, “the finance section of the company”, “the BBC's engineering division”
(n)contribution, part, sharethe effort contributed by a person in bringing about a result“I am proud of my contribution in advancing the project”, “they all did their share of the work”
(n)piece, partan item that is an instance of some type“he designed a new piece of equipment”, “she bought a lovely piece of china”, “my dog swallowed a Lego part”
(v)separate, part, split up, split, break, break updiscontinue an association or relation; go different ways“The business partners broke over a tax question”, “The couple separated after 25 years of marriage”, “My friend and I split up”