Definition of "tallyho" [tal•ly•ho]

• Used to urge hounds on during a fox hunt. (interjection)
• To urge (hounds) on during a fox hunt by shouting "tallyho” when the fox is sighted. (verb-transitive)
• To shout "tallyho” as a hunting cry. (verb-intransitive)
• The cry of "tallyho.” (noun)
• A fast coach drawn by four horses. (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.

• "Depressingly, the signs are that he is to be unleashed again as the Tories cry tallyho against the new treaty."
• "When the “tallyho” call was made, the game was on."
• "Except for a few seconds on the dive-bomb run itself, he must maintain tallyho, or visual contact with all his flight-mates."