something serving to indicate the presence or existence of something
saw no sign of them
a presage or portent
signs of an early spring
something material or external that stands for or signifies something spiritual
objective evidence of plant or animal disease that usu causes no perceptible disability
a board or notice carrying advertising matter or giving a warning, a command, information, or direction, etc
a motion or gesture by which a thought, command, or wish is made known; a signal
a mark with a conventional meaning, e.g. in music or mathematics used to replace or supplement words
a meaningful unit of language, e.g. a word
a character, e.g. a flat or sharp, used in musical notation
a segno (musical repeat sign)
a character, e.g. (÷), indicating a mathematical operation
either of two characters (+) and (−) that form part of the symbol of a number and characterize it as positive or negative
a remarkable event indicating the will of a deity
any of the twelve divisions of the zodiac