tachy

/T AA0 CH IY0/
noun
  1. 1

    (medicine, colloquial) Tachycardia.

  2. 2

    (medicine, colloquial) Tachypnoea.

adjective
  1. 1

    (medicine, colloquial) Tachycardic.

  2. 2

    (obsolete) Alternative form of tetchy. [(UK, Ireland, Commonwealth, Southern US) Synonym of touchy: easily annoyed or irritated, peevish, testy, irascible; also (figurative) extremely sensitive, difficult to manage, use, or work.]