M81

noun

The woodland camouflage pattern used by the United States Armed Forces from 1981 until 2012.

Meanings

nounM81 (uncountable)
  1. slanguncountablegovernmentThe woodland camouflage pattern used by the United States Armed Forces from 1981 until 2012.

Origin

From M (used for model) + 81 (short for 1981, the year of its introduction), following the pattern of the Model designation for U.S. military equipment.

Full word history & related roots →
Cite this entry
APA

M81. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/M81

MLA

“M81.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/M81. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “M81,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/M81.

Source: M81 on Wiktionary, CC BY-SA 4.0.