fatigue

1. (often in the plural) A menial task or tasks, especially in the military.Examples: "Moreover, the habits of business are the most enduring of any; and Lord Norbourne's most positive enjoyment was in what are called the fatigues of office."countablein-pluraloftenuncountable

2. (engineering) Weakening and eventual failure of material, typically by cracking leading to complete separation, caused by repeated application of mechanical stress to the material.Examples: "Mechanical failures due to fatigue have been the subject of engineering efforts for more than 150 years."countableuncountable

3. (US) Attributive form of fatigues (“military clothing worn when doing menial tasks”).Examples: "He was slouched in the chair behind the duty officer’s desk, cigarette dangling from his lips, hands thrust deep into his fatigue pockets, making a display of his disrespect. The acting clerk, cowering behind his own desk, was either afraid to insist he assume a more military posture, or else didn’t care."; "He reluctantly took the map from his camouflage fatigue pocket."; "Chino took a laminated map out of one of his fatigue pockets and gave it to Harper."USattributivecountableform-ofuncountable