arm vs slack

arm

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

  • 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. 

  • One of the two parts of a chromosome. 

  • Heraldic bearings or insignia. 

  • A branch of an organization. 

  • 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. 

slack

noun
  • A tidal marsh or shallow that periodically fills and drains. 

  • Unconditional listening attention given by client to patient. 

  • A temporary speed restriction where track maintenance or engineering work is being carried out at a particular place. 

  • The part of anything that hangs loose, having no strain upon it. 

  • Small coal; coal dust. 

  • A valley, or small, shallow dell. 

adv
  • Slackly. 

verb
  • To slacken. 

  • To lose cohesion or solidity by a chemical combination with water; to slake. 

adj
  • Moderately warm. 

  • Vulgar; sexually explicit, especially in dancehall music. 

  • Not active or busy, successful, or violent. 

  • Excess; surplus to requirements. 

  • Lax; not tense; not firmly extended. 

  • Lacking diligence or care; not earnest or eager. 

  • Lax. 

  • Moderate in speed. 

  • Weak; not holding fast. 

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