'Fieldwork' definitions:
Definition of 'fieldwork'
From: WordNet
noun
A temporary fortification built by troops in the field
Definition of 'Fieldwork'
From: GCIDE
- Fieldwork \Field"work`\, n. (Mil.) Any temporary fortification thrown up by an army in the field; -- commonly in the plural. [1913 Webster]
- All works which do not come under the head of permanent fortification are called fieldworks. --Wilhelm. [1913 Webster]