deadbolt vs hair

deadbolt

noun
  • The part of the lock which is moved when the key is engaged. 

  • A kind of lock in which the bolt (moving portion) is held in position by the cylinder rather than by a spring and so cannot be retracted except by turning the cylinder. 

verb
  • To fasten or secure with a deadbolt. 

hair

noun
  • A locking spring or other safety device in the lock of a rifle, etc., capable of being released by a slight pressure on a hair-trigger. 

  • A cellular outgrowth of the epidermis, consisting of one or of several cells, whether pointed, hooked, knobbed, or stellated. 

  • A slender outgrowth from the chitinous cuticle of insects, spiders, crustaceans, and other invertebrates. Such hairs are totally unlike those of vertebrates in structure, composition, and mode of growth. 

  • The collection or mass of such growths growing from the skin of humans and animals, and forming a covering for a part of the head or for any part or the whole body. 

  • Any slender, flexible outgrowth, filament, or fiber growing or projecting from the surface of an object or organism. 

  • A pigmented filament of keratin which grows from a follicle on the skin of humans and other mammals. 

  • Any very small distance, or degree; a hairbreadth. 

  • Complexity; difficulty; the quality of being hairy. 

verb
  • To string the bow for a violin. 

  • To remove the hair from. 

  • To grow hair (where there was a bald spot). 

  • To cause to have or bear hair; to provide with hair 

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