sign

/ˈsīn/

Middle English signe, from Anglo-French, from Latin signum mark, token, sign, image, seal; perhaps akin to Latin secare to cut

noun

  1. a motion or gesture by which a thought is expressed or a command or wish made known

  2. signal

  3. a fundamental linguistic unit that designates an object or relation or has a purely syntactic function

sign mark token note symptom mean a discernible indication of what is not itself directly perceptible. sign applies to any indication to be perceived by the senses or the reason. mark suggests something impressed on or inherently characteristic of a thing often in contrast to general outward appearance.

verb

  1. cross

  2. to place a sign on or mark by signs

  3. to represent or indicate by a sign

sign a trail

verb

  1. to make a record of arrival by signing a register or punching a time clock

  2. to record arrival of (a person) or receipt of (an article) by signing