1. [n]  slices of bread that have been toasted
2. [n]  a drink in honor of or to the health of a person or event
3. [v]  make brown and crisp by heating; "toast bread"
4. [v]  propose a toast to; "Let us toast the birthday girl!"; "Let's drink to the New Year"

Toast
An entertaining cookbook presents a tempting array of more than sixty delicious and unusual recipes for toasted bread, explaining how to use toast as a base for a number of tasty appetizers, snacks, sandwiches, main courses, and desserts for any time of the day. Original.

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1. \Toast\, v. t. [imp. & p. p. {Toasted}; p. pr. & vb. n.
   {Toasting}.] [OF. toster to roast, toast, fr. L. torrere,
   tostum, to parch, roast. See {Torrid}.]
   1. To dry and brown by the heat of a fire; as, to toast
      bread.
   2. To warm thoroughly; as, to toast the feet.
   3. To name when a health is proposed to be drunk; to drink to
      the health, or in honor, of; as, to toast a lady.
   

2. \Toast\, n. [OF. toste, or tost['e]e, toasted bread. See
   {Toast}, v.]
   1. Bread dried and browned before a fire, usually in slices;
      also, a kind of food prepared by putting slices of toasted
      bread into milk, gravy, etc.
      My sober evening let the tankard bless, With toast
      embrowned, and fragrant nutmeg fraught.     --T. Warton.
   2. A lady in honor of whom persons or a company are invited
      to drink; -- so called because toasts were formerly put
      into the liquor, as a great delicacy.
            It now came to the time of Mr. Jones to give a toast
            . . . who could not refrain from mentioning his dear
            Sophia.                               --Fielding.
   3. Hence, any person, especially a person of distinction, in
      honor of whom a health is drunk; hence, also, anything so
      commemorated; a sentiment, as ``The land we live in,''
      ``The day we celebrate,'' etc.
   {Toast rack}, a small rack or stand for a table, having
      partitions for holding slices of dry toast.
   

1. Any completely inoperable system or component, especially one that has just crashed and burned: "Uh, oh ... I think the serial board is toast."

2. To cause a system to crash accidentally, especially in a manner that requires manual rebooting. "Rick just toasted the firewall machine again."

Compare fried.