Defn: Of or pertaining to ordonnance. Dryden.
ORDOVIAN
Or*do"vi*an, a. & n. (Geol.)
Defn: Ordovician.
ORDOVICIAN
Or`do*vi"cian, a. Etym: [From L. Ordovices, a Celtic people in
Wales.] (Geol.)
Defn: Of or pertaining to a division of the Silurian formation, corresponding in general to the Lower Silurian of most authors, exclusive of the Cambrian. — n.
Defn: The Ordovician formation.
ORDURE Or"dure, n. Etym: [F. ordure, OF. ord filthy, foul, fr. L. horridus horrid. See Horrid.]
1. Dung; excrement; fæces. Shak.
2. Defect; imperfection; fault. [Obs.] Holland.
ORDUROUS
Or"dur*ous, a.