noun a member of the American Civil War Round Table, an organization dedicated to the study of the American Civil War
ACW stands for American Civil War, a significant event in American history that took place from 1861 to 1865.
ACW can also refer to Alternative Civil War, a genre of fiction that explores alternative outcomes of the American Civil War.
ACW can refer to Accumulated Cyclone Energy, a measure used by meteorologists to express the activity of a tropical cyclone season.
ACW may stand for Average Call Waiting, a metric used in call center management to measure the average time a caller spends waiting in a queue.
ACW could also stand for All Children Writing, a program focused on improving writing skills in children.
ACW may stand for 'Allied Command Europe,' which could be relevant in writing about military history or international relations.
ACW could be used as an abbreviation for 'Acceptance and Commitment Therapy,' a type of psychological intervention.
In education, ACW might refer to 'Assessment for Coursework,' a common practice in grading students' work.
For engineers, ACW could represent 'Actual Cost of Work,' a term used in project management and cost control.