Webster's Revised Unabridged Dictionary · 1913

Shower

Shower , noun

1.
One who shows or exhibits.
2.
That which shows; a mirror. [Obsolete] — Wyclif

Shower , noun

[Old English shour, schour, Anglo-Saxon se{not transcribed}r; akin to Dutch schoer, German schauer, Old High German sc{not transcribed}r, Icelandic sk{not transcribed}r, Swedish skur, Gothic sk{not transcribed}ra windis a storm of wind; of uncertain origin.]

1.
A fall or rain or hail of short duration; sometimes, but rarely, a like fall of snow.
In drought or else showers. — Chaucer
Or wet the thirsty earth with falling showers. — Milton
2.
That which resembles a shower in falling or passing through the air copiously and rapidly.
With showers of stones he drives them far away. — Pope
3.
A copious supply bestowed. [Rare]
He and myself Have travail'd in the great shower of your gifts. — Shakespeare
Collocations (1)
Shower bath , a bath in which water is showered from above, and sometimes from the sides also.

Shower , transitive verb

1.
To water with a shower; to wet copiously with rain.
Lest it again dissolve and shower the earth. — Milton
2.
To bestow liberally; to distribute or scatter in abundance; to rain. — Shakespeare
Caesar's favor, That showers down greatness on his friends. — Addison

Shower , intransitive verb

To rain in showers; to fall, as in a shower or showers. — Shakespeare