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1. An English variety of large cooking apple.
2. Archaic The human head.

[Middle English, from Old North French, possibly from coste, rib (from its ribbed appearance), from Latin costa; see kost- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Plants) an English variety of apple tree
2. (Plants) the large ribbed apple of this tree
3. archaic jocular a slang word for head
[C14: from Anglo-Norman, from Old French coste rib]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈkɒs tərd, ˈkɔ stərd)

1. a large English variety of apple.
2. Archaic. the head.
[1250–1300; Middle English]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Supermarket cashier Phoebe Costard, offering her support to the dead man's friends, added: "Can't imagine what you guys are going through.
Costard is an epidemiologist working as a senior consultant at EpiX Analytics in Boulder, Colorado.
Costard, F., Dupeyrat, L., Gautier, E., and Carey-Gailhardis, E.
Berowne, arranging for Costard to deliver a letter to Rosaline, notes: "The princess comes to hunt here in the park" (3.1.161).
The first suggests: "Take him over the costard with the hilts of thy sword, and then throw him into the malmsey-butt in the next room."
Thus, the chemical composition of a given species may vary widely under different growth conditions, and such changes may be related to the growth phase of the culture (Costard et al, 2012).
Here, the Pedant uses the colloquial oh in what discourse analysts label a corrective or repair to the Clown's "false Latine." Given that Costard has employed the O+vocative a few lines earlier, Shakespeare's compositor clearly marks a functional distinction between the two forms.
The wild boar shares infectious diseases with feral pigs, and that is why their presence in areas close to the pig industry represents a potential epidemiologic danger (Ruiz-Fons et al., 2008; Kukushkin et al., 2008; Costard et al., 2013) that could have serious sanitary and economic consequences.
Depuis sa prison, depuis la rotissoire, il avait entrevu un homme chauve dodu a lunettes et costard cravate, s'interesser a l'aspect appetissant de ses freres et lui.