/ kəˈrɒləri; NAmE ˈkɔːrəleri; ˈkɑːr-/ noun
( pl. -ies ) corollary (of / to sth) ( formal or technical ) a situation, an argument or a fact that is the natural and direct result of another one
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WORD ORIGIN
late Middle English : from Latin corollarium money paid for a garland or chaplet; gratuity (in late Latin deduction), from corolla , diminutive of corona wreath, crown, chaplet.