plural of sign-manual

An authentic signature; (especially), the signature of a sovereign, used to validate a formal document.

(medicine) The presence of Koplik's spots.

(medicine) A reflex movement in brain-dead or brainstem failure patients, which causes them to briefly raise their arms and drop them crossed on their chests.

An indication that someone is alive; vital sign. / (figuratively) An indication that someone is present.

(US) a road sign which instructs road users to give right of way to other traffic

plural of yield sign

The presence of calluses on the knuckles or back of the hand, caused by contact with the incisors during self-induced vomiting, generally a sign of an eating disorder.

(medicine) The unusual pairing of fever with bradycardia, seen in certain conditions such as yellow fever and typhoid fever.

Synonym of Wellens' syndrome