\Sa"ker\ (s[=a]"k[~e]r), n. [F. sacre (cf. It. sagro, Sp.
& Pg. sacre), either fr. L. sacer sacred, holy, as a
translation of Gr. "ie`rax falcon, from "iero`s holy, or more
probably from Ar. [,c]aqr hawk.] [Written also {sacar},
{sacre}.]
1. (Zo["o]l.)
   (a) A falcon ({Falco sacer}) native of Southern Europe and
       Asia, closely resembling the lanner.
Note: The female is called {chargh}, and the male
      {charghela}, or {sakeret}.
   (b) The peregrine falcon. [Prov. Eng.]
2. (Mil.) A small piece of artillery. --Wilhelm.
         On the bastions were planted culverins and sakers.
                                               --Macaulay.
         The culverins and sakers showing their deadly
         muzzles over the rampart.             --Hawthorne.