Definition of circumlocutions:
(n) :
(uncountable) A roundabout or indirect way of speaking; thus:
(n) :
(uncountable) Unnecessary use of extra words to express an idea, such as a pleonastic phrase (sometimes driven by an attempt at emphatic clarity) or a wordy substitution (the latter driven by euphemistic intent, pedagogic intent, or sometimes loquaciousness alone).
(n) :
(uncountable) Necessary use of a phrase to circumvent either a vocabulary fault (of speaker or listener) or a lexical gap, either monolingually or in translation.
(n) :
(countable) An instance of such usage; a roundabout expression, whether an inadvisable one or a necessary one.