wel·kin /ˈwɛlkən/
天空
Wel·kin n. The visible regions of the air; the vault of heaven; the sky.
On the welkne shoon the sterres lyght. --Chaucer.
The fair welkin foully overcast. --Spenser.
When storms the welkin rend. --Wordsworth.
Note: ☞ Used adjectively by Shakespeare in the phase, “Your welkin eye,” with uncertain meaning.
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welkin
n : the apparent surface of the imaginary sphere on which
celestial bodies appear to be projected [syn: celestial
sphere, sphere, empyrean, firmament, heavens, vault
of heaven]