Definition of "quatuor" []

• A quartet; -- applied chiefly to instrumental compositions. (noun)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "Tentacula supra os quatuor: Tentacles above mouth, four."
• "Et volumus quod dicti religiosi teneantur annuatim in perpetuum pro predicta donacione nostra ad perpetuam nostri memoriam vestire quindecim pauperes ad festum Sancti Martini in hieme et eosdem cibare eodem die liberando eorum cuilibet quatuor ulnas panni grossi et lati vel sex ulnas panni stricti et eorum cuilibet unum novum par sotularium de ordine suo."
• "C.J. Solinus (Plinii Simia) says, “Indica maria balænas habent ultra spatia quatuor jugerum.”"