stockpile

Etymology

It is a compound from English stock + pile,^{[2][3][4][5][6]} originally American.^[5] Stock, here a supply for future use, goes back to Old English stocc (“stump, post, trunk”),^[3] and pile, a heap, is from Old French pile (“heap, stack”) and Latin pīla (“pillar”).^[3]

Earliest recorded meaning

A pile of coal or ore accumulated at the surface of a mine: 1872, in the Transactions of the American Society of Civil Engineers.^[2][3][4]

Semantic evolution

Merriam-Webster also records it for a pile of road metal kept by the roadside for repairs.^[4] The general sense, a reserve of goods or materials built up against a shortage or emergency, came into use during the Second World War,^[3][5] first in 1942 in the Baltimore Sun;^[2] Etymonline links it to wartime economic policies.^[3] By 1946 it was used specifically of nuclear weapons, and figuratively since 1945.^[2] The verb was a mining term at first (1921), to heap ore or coal in piles,^[2][3][4] and took on the general sense "to accumulate a stock of" in 1943.^[2]

Timeline

• 1872 – a pile of coal or ore at the surface of a mine.^[2][4]
• 1921 – verb, to heap ore or coal in piles.^[2][4]
• 1942 – a reserve of goods accumulated against a shortage.^[2]
• 1943 – verb, to build up a stock of something.^[2]
• 1946 – an accumulation of nuclear weapons.^[2]

Meanings

Noun

1. A large reserve of goods, materials or weapons built up for use in a shortage or emergency: The town kept a stockpile of grit for icy roads.^[7][4][2][5]
2. A store of nuclear weapons.^[2]
3. A pile of ore or coal kept at the surface of a mine, or of road metal kept for repairs.^[4][2]

Verb

1. To gather and store a large quantity of something for future use: Families stockpiled candles before the storm.^[7][4][2]
2. To heap ore or coal in piles.^[4][2]

Word family

• stockpiler

Related words

• stock
• pile

References

1. ^ a b Wiktionary, the free dictionary, https://en.wiktionary.org
2. ^ a b c d e f g h i j k l m n o p Oxford English Dictionary Online (accessed March 2026), Oxford: Oxford University Press
3. ^ a b c d e f g Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
4. ^ a b c d e f g h i j Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
5. ^ a b c d Shorter Oxford English Dictionary on Historical Principles (2002), 5th ed., ed. William R. Trumble and Angus Stevenson, Oxford: Oxford University Press
6. ^ Dictionary.com Unabridged (2016), based on the Random House Unabridged Dictionary, New York: Random House
7. ^ a b Collins English Dictionary (2023), Glasgow: HarperCollins