A group of people or things.
A meeting or get-together; a party or social function.
A section, a group of bifolios, or sheets of paper, stacked together and folded in half.
The collection of produce, items, goods, etc.; the practice of collecting food from nature.
A tumor or boil suppurated or maturated; an abscess.
A charitable contribution; a collection.
That gathers together.
A group of four things.
A unit of land area of two by two (that is, four) square kilometres.
A group of four basis vectors for a four-dimensional manifold in differential geometry.
A group of four haploid and immature pollen grains in tetrahedral fashion produced by meiotic microsporogenesis.
Two pairs of sister chromatids (a dyad pair) aligned in a certain way and often on the equatorial plane during the meiosis process.
A tetravalent atom or radical.