What is the meaning of Mancha?

A high-quality grade of Spanish saffron.

stain, blemish

stain

to stain

stain; blemish

spot

flaw

school (of fishes)

inflection of manchar:

1. third-person singular present indicative
2. second-person singular imperative

third-person singular present indicative

second-person singular imperative

stain; mark; blemish; spot (visible impression)

a disgrace, discredit in one’s reputation

inflection of manchar:

1. third-person singular present indicative
2. second-person singular imperative

third-person singular present indicative

second-person singular imperative

spot; stain; blemish

inflection of manchar:

1. third-person singular present indicative
2. second-person singular imperative

third-person singular present indicative

second-person singular imperative

Source: wiktionary.org