listers

noun

1. 1.A spear armed with three or more prongs, for striking fish.
2. 2.One who, or that which, lists or produces a listing.
3. 3.A person or organisation that creates or maintains lists.
4. 4.A birdwatcher who keeps track of birds using different checklists.
5. 5.A double-mouldboard plough that throws a deep furrow and at the same time plants and covers grain in the bottom of the furrow.