cheek vs labium

cheek

noun
  • The soft skin on each side of the face, below the eyes; the outer surface of the sides of the oral cavity. 

  • The middle section of a flask, made so that it can be moved laterally, to permit the removal of the pattern from the mould. 

  • One of the genae, flat areas on the sides of a trilobite's cephalon. 

  • Either side of an axehead. 

  • Impudence. 

  • The branches of a bridle bit. . 

  • One of the pieces of a machine, or of timber or stonework, that form corresponding sides or a similar pair. 

  • pump-cheek, pump-cheeks, a piece of wood cut out fork-shaped in which the brake is fastened by means of a bolt and can thus move around and move the upper box of the pump up and down 

  • The lower part of the buttocks that is often exposed beneath very brief underwear, swimwear, or extremely short shorts. 

verb
  • To pull a horse's head back toward the saddle using the cheek strap of the bridle. 

  • To be impudent towards. 

  • Don't cheek me, you little rascal! 

labium

noun
  • A liplike structure; especially one of the two pairs of folds of skin on either side of the vulva. 

  • The lip of a labiate corolla. 

  • A liplike part of various invertebrates. 

  • The lip against which pressured air is driven to produce sound in a recorder and in a pipe organ with flue pipes. 

  • A lower mouthpart of an insect that is formed by the second pair of maxillae united in the middle line. 

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