The Collaborative International Dictionary
opentide
Opetide \Ope"tide`\, n. [Ope + tide.] Open time; -- applied to different things:
The early spring, or the time when flowers begin opening. [Archaic]
--Nares.The time between Epiphany and Ash Wednesday wherein marriages were formerly solemnized publicly in churches.
The time after harvest when the common fields are open to all kinds of stock. [Prov. Eng.]
--Halliwell. [Written also opentide.]