Definition of "underfeed" [un•der•feed]

• To feed insufficiently. (verb-transitive)
• To supply (an engine) with fuel from the underside. (verb-transitive)

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.

• "The most complacent Britisher cannot hope to draw off the life-blood, and underfeed, and keep it up forever."
• "GRACE: I don ` t know that I believe that, underfeed a baby so the baby can be sexy?"
• "Because we heard in an affidavit filed by the nanny who was fired that she claims Anna Nicole Smith told her to deliberately underfeed the child."