arm vs knockdown

arm

noun
  • One of the two parts of a chromosome. 

  • A pitcher 

  • A group of patients in a medical trial. 

  • A limb, or locomotive or prehensile organ, of an invertebrate animal. 

  • A long, narrow, more or less rigid part of an object extending from the main part or centre of the object, such as the arm of an armchair, a crane, a pair of spectacles or a pair of compasses. 

  • The extended portion of the upper limb, from the shoulder to the elbow. 

  • The part of a piece of clothing that covers the arm. 

  • Heraldic bearings or insignia. 

  • A branch of an organization. 

  • A bay or inlet off a main body of water. 

  • A weapon. 

  • The portion of the upper human appendage, from the shoulder to the wrist and sometimes including the hand. 

  • Power; might; strength; support. 

verb
  • To supply with armour or (later especially) weapons. 

  • To cover or furnish with a plate, or with whatever will add strength, force, security, or efficiency. 

  • To take up weapons; to arm oneself. 

  • To fit (a magnet) with an armature. 

  • To prepare (a tool, weapon, or system) for action; to activate. 

  • To supply with the equipment, knowledge, authority, or other tools needed for a particular task; to furnish with capability; to equip. 

  • To become prepared for action; to activate. 

adj
  • To be pitied; pitiful; wretched. 

  • Poor; lacking in riches or wealth. 

knockdown

noun
  • A genetically modified organism that carries one or more genes in its chromosomes that have been made less active or had their expression reduced. 

  • The condition of a sailboat being pushed abruptly to horizontal, with the mast parallel to the water surface. 

  • An act of knocking down or the condition of being knocked down. 

  • A shelter erected for use as a temporary dressing room. 

  • A collection of parts required to assemble a product, typically manufactured in one region and exported elsewhere for assembly. 

  • a short pass played downwards, for example from the head onto someone's feet. 

  • The use of a reagent such as an oligonucleotide with sequence complementary to an active gene or its mRNA transcript, to interfere with the expression of said gene. 

  • An overwhelming blow. 

adj
  • To be formed into a head by upsetting in fastening. 

  • reduced in price, originally to a price below which an article would not be sold by the auctioneer 

  • powerful enough to overwhelm or knock down 

  • Capable of being taken apart for packing or removal. 

verb
  • To employ the knockdown technique 

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