Deneb definition by Wordo

Proper noun

A

blue giant

star

in

the

constellation

Cygnus

;

Alpha

(α)

Cygni

.

It

forms

one

corner

of

the

Summer Triangle

.

Deneb

is

one

of

the

brightest

stars

in

the

night

sky

,

and

one

of

the

most

luminous

stars

known

.