hour hand vs limb

hour hand

noun
  • The hand of a clock or watch face that revolves twice each day and indicates the hours. 

limb

noun
  • The apparent visual edge of a celestial body. 

  • A major appendage of human or animal, used for locomotion (such as an arm, leg or wing). 

  • An elementary piece of the mechanism of a lock. 

  • A thing or person regarded as a part or member of, or attachment to, something else. 

  • The border or upper spreading part of a monopetalous corolla, or of a petal or sepal; blade. 

  • The part of the bow, from the handle to the tip. 

  • A branch of a tree. 

  • The graduated edge of a circle or arc. 

verb
  • To remove the limbs from (an animal or tree). 

  • To supply with limbs. 

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