Definition of "gripsack" [grip•sack]

• A small suitcase. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "They love to lie along the banks a few feet from the shore, where, concealed in the sand, they can dart out upon and seize their prey in their enormous 'gripsack'mouths."
• "Before leaving Springfield Lincoln had prepared his inaugural message with great care, and placed it in a "gripsack" for transportation to"
• "Churchill dived and groped in three feet of water for the gripsack."