n.
1) to open, usher in the (a) ~
2) to close, usher out the (a) ~
3) the dead, low, off, slack; high ~
4) (sports) the baseball; basketball; fishing; football; hunting; open ~
5) the dry; harvest; holiday; hurricane; mating, rutting; monsoon; planting; rainy; tourist ~
6) at a ~ (at that ~ of the year)
7) in ~; out of ~
8) ( misc. ) it's open ~ on members of the opposition ('members of the opposition are being subjected to attack')