catgut vs splice

catgut

noun
  • The material from which such cords are made. 

  • A sort of linen or canvas, with wide interstices. 

  • A cord of great toughness made from the intestines of animals, especially of sheep, used for strings of musical instruments, racquets, sutures etc. 

  • Tephrosia virginiana (goat's rue, devil's shoestring). 

splice

noun
  • The electrical and mechanical connection between two pieces of wire or cable. 

  • A junction or joining of ropes made by splicing them together. 

  • That part of a bat where the handle joins the blade. 

  • Bonding or joining of overlapping materials. 

  • The process of removing intron sequences from the pre-messenger RNA, and then joining together exons. 

verb
  • To unite as if splicing. 

  • To unite, as spars, timbers, rails, etc., by lapping the two ends together, or by applying a piece which laps upon the two ends, and then binding, or in any way making fast. 

  • To remove intron sequences from the pre-messenger RNA, and then join together exons. 

  • To unite, as two ropes, or parts of a rope, by a particular manner of interweaving the strands, the union being between two ends, or between an end and the body of a rope. 

  • To unite in marriage. 

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