D defs.my
Entry 2 senses Webster, 1913

Norm

/nôrm/ · IPA /nɔɹm/
01 n. A rule or authoritative standard; a model; a type; as, deviations from the norm are not tolerated.
  1. 1.
    A rule or authoritative standard; a model; a type; as, deviations from the norm are not tolerated.
  2. 2.
    A typical, structural unit; a type.(Biol.)