ANTIAIRCRAFTS
Scrabble letter values: A1N1T1I1A1I1R1C3R1A1F4T1S1 = 18
Definition
ANTIAIRCRAFTS is the plural of ANTIAIRCRAFT.
noun ANTIAIRCRAFT: artillery designed to shoot upward at airplanes.
Synonyms of ANTIAIRCRAFT: antiaircraft_gun, flak, flack, pom-pom, ack-ack, ack-ack_gun