sign

sign

noun \ˈsīn\

Definition of SIGN

1

: one of a set of gestures used to represent language

2

: an objective evidence of disease especially as observed and interpreted by the physician rather than by the patient or lay observer <narrow retinal vessels are a sign of arteriosclerosis>—see brudzinski sign, chvostek's sign, homans' sign, kernig sign, physical sign, placental sign, romberg's sign, tinel's sign, vital signs, von graefe's sign; compare symptom