Definition of right-angularly in English:

right-angularly

adverb

rare
  • At right angles; so as to form a right angle.

Origin

Late 17th century; earliest use found in Joseph Moxon (1627–1691), printer and globe maker. From right + angularly, after right angle.

Pronunciation

right-angularly

/ˌrʌɪtˈaŋɡjʊləli/