Word of the Day – Perpendicular

Perpendicular (adj)

pur-pen-dik-oo-lar

At an angle of 90° to a given line, plane, or surface or to the ground.

Late Middle English (as an adverb meaning ‘at right angles’): via Old French from Latin perpendicularis, from perpendiculum ‘plumb line’, from per- ‘through’ + pendere ‘to hang’.

Example sentences

“The lamp post sat perpendicular to the street.”