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

orillon \oril"lon\, n. f., lit., a little ear, from oreille an
   ear, fr. l. oricula, auricula, dim. of auris an ear. see
   ear. fort.
   a semicircular projection made at the shoulder of a bastion
   for the purpose of covering the retired flank, -- found in
   old fortresses.
   1913 webster
see also:
ear 

Orillon >> O Words
Orillon, definition of term: Orillon
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