fieldwork
Field"work`, n. (Mil.) Defn: Any temporary fortification thrown up by an army in the field; -- commonly in the plural. All works which do not come under the head of permanent fortification are called fieldworks. Wilhelm.
Field"work`, n. (Mil.) Defn: Any temporary fortification thrown up by an army in the field; -- commonly in the plural. All works which do not come under the head of permanent fortification are called fieldworks. Wilhelm.