Definition of GASTROCNEMIUS. : the largest and most superficial muscle of the calf of the leg arising by two heads from the condyles of the femur and attaching to a tendon that becomes part of the Achilles tendon. See gastrocnemius defined for kids.ADVERTISEMENT.efinition of GASTROCNEMIUS. : the largest and most superficial muscle of the calf of the leg arising by two heads from the condyles of the femur and attaching to a tendon that becomes part of the Achilles tendon. See gastrocnemius defined for kids.
International money orders cost $4.50. They can be sent by Priority Mail Express InternationalÂ®, Priority Mail InternationalÂ®, First-Class Mail InternationalÂ®, or First-Class Package International ServiceÂ®. The maximum amount allowed for each money order is $700 ($500 for El Salvador and Guyana).
1 Fees: For U.S. Postal Service money orders, you pay $1.20 for a money order up to $500 and $1.60 for a money order between $500 and $1,000 in the U.S. If youâre sending money internationally, the fee is $4.50 for a money order up to $700. 2  For bank money orders, check the fees with your branch.