a perceptible indication of something not immediately apparent (as a visible clue that something has happened); "he showed signs of strain"; "they welcomed the signs of spring"
a public display of a (usually written) message; "he posted signs in all the shop windows"
a character indicating a relation between quantities; "don't forget the minus sign"
a gesture that is part of a sign language
a fundamental linguistic unit linking a signifier to that which is signified; "The bond between the signifier and the signified is arbitrary"--de Saussure
(medicine) any objective evidence of the presence of a disorder or disease; "there were no signs of asphyxiation"
be engaged by a written agreement; "He signed to play the casino on Dec. 18"; "The soprano signed to sing the new opera"
communicate in sign language; "I don't know how to sign, so I could not communicate with my deaf cousin"
mark with one's signature; write one's name (on); "She signed the letter and sent it off"; "Please sign here"
communicate silently and non-verbally by signals or signs; "He signed his disapproval with a dismissive hand gesture"; "The diner signaled the waiters to bring the menu"
place signs, as along a road; "sign an intersection"; "This road has been signed"
engage by written agreement; "They signed two new pitchers for the next season"
approve and express assent, responsibility, or obligation; "All parties ratified the peace treaty"; "Have you signed your contract yet?"
send out real or metaphoric rays; "She radiates happiness"
issue or emerge in rays or waves; "Heat radiated from the metal box"
cause to be seen by emitting light as if in rays; "The sun is radiating"
extend or spread outward from a center or focus or inward towards a center; "spokes radiate from the hub of the wheel"; "This plants radiates spines in all directions"
the heavy fire of artillery to saturate an area rather than hit a specific target; "they laid down a barrage in front of the advancing troops"; "the shelling went on for hours without pausing"
the rapid and continuous delivery of linguistic communication (spoken or written); "a barrage of questions"; "a bombardment of mail complaining about his mistake"