Definition of "water-pocket" [water-pocket]

• A cavity or mass of porous rock containing water; a water-hole. Chiefly current in the south-western United States, where the Spanish equivalent bolson is often also used. (noun)
• Same as pocket, 12. (noun)
• Any depressed point or place in which water or other liquid may gather. (noun)

The Century Dictionary (Public Domain)

• "The last palliation, or is it provocation, that I would throw into the camp of the orthodox and the worshippers of the plow, is the water-pocket, or small field reservoir, draining a few square rods and holding hard by the roots of a tree a few gallons or a few barrels of water which would otherwise run away."
• "The next day we climbed an additional eleven hundred feet to its summit, and completed our work in time by swift riding to get to our main camp at the water-pocket by half-past six."
• "At two o'clock I reached Black Rock Canyon, where there was a water-pocket full of warm and dirty water, but both the mule and I took"