What is the meaning of Quality?

Level of excellence.

Something that differentiates a thing or person.

Position; status; rank.

High social position. (See also the quality.)

The degree to which a man-made object or system is free from bugs and flaws, as opposed to scope of functions or quantity of items.

In a two-phase liquidvapor mixture, the ratio of the mass of vapor present to the total mass of the mixture.

The third step in OPQRST where the responder investigates what the NOI/MOI feels like.

A newspaper with relatively serious, high-quality content.

Being of good worth, well made, fit for purpose; of high quality.

Source: wiktionary.org