(military) A call sign that identifies a tactical command or tactical communication facility.

(military) A call sign assigned in accordance with the provisions of the International Telecommunications Union to identify a radio station. The nationality of the radio station is identified by the first or the first two characters. (When used in visual signaling, international call signs are referred to as “signal letters.”)

(military) A call sign which does not represent a specific facility, command, authority, activity, or unit, but which may represent any one or any group of these.

(military) Any call sign which represents two or more facilities, commands, authorities, or units. The collective call sign for any of these includes the commander thereof and all subordinate commanders therein.

(military) A call sign that represents all stations within a net.

a sign language that is predominantly used by Palestinians

A written representation for numbers consisting of a series of numeric signs whose values, added together, yield the number represented.

plural of village sign language

A local indigenous sign language in an area with a high incidence of congenital deafness.

(medicine) The extension of a blister to adjacent unblistered skin when pressure is put on the top of the bulla.