curb vs flank

curb

noun
  • A concrete margin along the edge of a road; a kerb (UK, Australia, New Zealand) 

  • Something that checks or restrains; a restraint. 

  • A swelling on the back part of the hind leg of a horse, just behind the lowest part of the hock joint, generally causing lameness. 

  • A riding or driving bit for a horse that has rein action which amplifies the pressure in the mouth by leverage advantage placing pressure on the poll via the crown piece of the bridle and chin groove via a curb chain. 

  • A sidewalk, covered or partially enclosed, bordering the airport terminal road system with adjacent paved areas to permit vehicles to off-load or load passengers. 

  • A raised margin along the edge of something, such as a well or the eye of a dome, as a strengthening. 

verb
  • To rein in. 

  • To bend or curve. 

  • To furnish with a curb, as a well; to restrain by a curb, as a bank of earth. 

  • To crouch; to cringe. 

  • To damage vehicle wheels or tires by running into or over a pavement curb. 

  • To check, restrain or control. 

  • To bring to a stop beside a curb. 

flank

noun
  • The outermost strip of a road. 

  • The flesh between the last rib and the hip; the side. 

  • The sides of a bastion perpendicular to the wall from which the bastion projects. 

  • The wing, one side of the pitch. 

  • That part of the acting surface of a gear wheel tooth that lies within the pitch line. 

  • A cut of meat from the flank of an animal. 

  • The side of something, in general senses. 

  • The extreme left or right edge of a military formation, army etc. 

adj
  • Maximum. Historically faster than full speed (the most a vessel can sustain without excessive engine wear or risk of damage), now frequently used interchangeably. Typically used in an emergency or during an attack. 

verb
  • To be placed to the side(s) of something (usually in terms of two objects, one on each side). 

  • To defend the flank(s) of. 

  • To attack the flank(s) of. 

  • To place to the side(s) of. 

How often have the words curb and flank occurred in a corpus of books? (source: Google Ngram Viewer )