Herisson

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Herisson \Her"is*son\, n. [F. h['e]risson, prop., hedgehog.]
     (fort.)
     A beam or bar armed with iron spikes, and turning on a pivot;
     -- used to block up a passage.
     [1913 Webster]