Any of 20 glyphs used, along with a number from 1 to 13, in traditional Mesoamerican calendars to identify their 260 days.

The symbol §, used to refer to a particular section of a document, such as a legal code.

(medicine) Electric sensations of the spine and limbs induced by flexing the neck forward.

(medicine) Electric sensations of the spine and limbs induced by flexing the neck forward.

(baseball) A sign from the third base coach, or whoever the batter receives signals from, telling the batter that no matter what he will not swing at the next pitch.

(astrology) Any of the twelve astrological signs.

(astrology) Any of twelve signs, corresponding to constellations, that are used as the basis of astrology

A sign indicating that a certain facility (e.g. parking space, toilet) is reserved for disabled people.

present participle of sign out

To sign one's name as an indication that one is leaving some location; to take some action to indicate one is leaving a secured program or web page on a computer. / To signal.