Definition of abbreviation. 1 : a shortened form of a written word or phrase used in place of the whole word or phrase âAmtâ is an abbreviation for âamount.â âUSAâ is an abbreviation of âUnited States of America.â.
The limit at those airlines stands at 22 inches tall by 14 inches wide by 9 inches deep. Southwest allows carry-ons that are 24 by 16 by 10. But IATA's recommendation is just that. Though the trade group is an influential mouthpiece for the industry, airlines are not obligated to adopt the carry-on standards.
Carry-on Items: All carry-on items must fit easily in a Size Wiseâ¢ unit (approximate dimensions 22 x 14 x 9) and must weigh less than 40 lbs. You can carry on one bag plus one personal item per passenger as long as it: 1  Weighs less than 40 pounds (18 kg). 2  Does not exceed 45 inches when you total length plus width plus height. 3  Fits easily into the SizeWise unit.  Fits in an overhead bin or underneath the seat in front of you.