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’.
“The lamp post sat perpendicular to the street.”
(of a ship) tilt; lean over.
Move swiftly and in an uncontrolled way.
Late 16th century (as a noun denoting the position of a careened ship): from French carène, from Italian carena, from Latin carina ‘a keel’. Sense 2 was influenced by the verb career.
A flat braided tape; especially a braid used to form designs on lace. Also: braided work, especially on lace. Frequently attributive, as “lacet braid”, “lacet work”, etc.
A hairpin bend in a road.
Early 19th century; earliest use found in Ladies’ Monthly Museum. From French lacet flat braided tape, braid used to form designs on lace from lace + -et
mid 19th century. From French lacet hairpin bend, specific sense development of lacet lace.