Trīd'ū-an, a.
a. [Lat. trīduānus, from trīduum (sc. spatium), the space of three days; from trī, q. v., and dies, day.] Lasting three days, or happening every third day. [Rare.] Blount.
a. [Lat. trīduānus, from trīduum (sc. spatium), the space of three days; from trī, q. v., and dies, day.] Lasting three days, or happening every third day. [Rare.] Blount.