'angulated' originates from Late Latin, specifically the word 'angulātus', past participle of 'angulāre', where 'angul-' meant 'angle, corner' and the suffix '-ātus' formed a participial sense 'made angular'.

'angulātus' was used in Neo-Latin/scientific Latin and influenced English formation of 'angulate' (adj./v.); the form 'angulated' developed in English as the adjective and as the past tense/past participle of the verb.

Initially, it meant 'made angular' or 'having angles'; in modern usage it also denotes 'bent at an angle', especially in medical descriptions of bones, joints, or devices.