What is the meaning of Zain?

A horse of a dark colour with no lighter spots.

vein

nerve

tendon, sinew

artery

varicose vein

vigor, strength

root

guard, watchman

shepherd

third-person singular, with familiar second-person singular feminine indirect object, present indicative of izan (intransitive auxiliary)

his, her, its, their

his, hers, its, theirs

year

Having no white markings

Source: wiktionary.org