1. The visible regions of the air: the vault of heaven. Welkin-eye, a blue eye, or a rolling languishing eye.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• weaking,
• wellin,
• walin,
• weeksn,
• welbing,
• willin,
• walkid,
• telking,
• wlking,
• wolking,
• wilking,
• weeking,
• welming,
• welkl,
• tlkin,
• walkinq,
• belkin,
• walkign,
• walkinh,
• walkind

• well-knit,
• walkins,
• walking,
• wilkins,
• wilkin.

The adjective form of the word "welkin" is "welkinic".

The plural of the "welkin" can be the "welkins".

The singular of the "welkin" can be the "welkin".