What is the meaning of Nayl?

A nail (fingernail or toenail).

A nail (metal fastening pin):

  1. An annoyance; a bothersome predicament.
  2. A decisive point in a debate or disagreement.

An annoyance; a bothersome predicament.

A decisive point in a debate or disagreement.

A nail (unit of length or weight)

An equivalent to a human nail in animals (e.g. a claw)

An eye disease (of humans or animals).

Source: wiktionary.org