A title added before the name of a staff sergeant. / A title added before the name of a senior sergeant.

Third-person singular simple present indicative form of ♥

(aviation) An aerobatic maneuver in which an aircraft, starting from upright level flight, rolls inverted and then performs one-half of an inside loop, ending up in upright level flight in the opposite direction at a lower altitude; equivalent to an Immelmann turn (modern sense) performed in reverse.

(surgery) A surgical technique to repair skin defects by means of a long, approximately S-shaped incision.

(surgery) The long scar shape, with slightly curved ends, involved in S-plasty. / The letter S turned on its side, used as a distinctive mark in branding cattle.

plural of S-plasty

(numbers) plural of 2

plural of S-train

plural of sh**

Third-person singular simple present indicative form of sh**