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