What is the meaning of Haploid?

Having the number of chromosomes that a typical gamete has (in the given organism), namely, half the number that a typical somatic cell has (in the given organism).

Having a single set of unpaired chromosomes (which is the number that a typical gamete has in many organisms although not all).

A cell which is haploid.

An organism, such as a fungus, with haploid cells.

haploid

Source: wiktionary.org