1. temporary military fortifications built in the field, such as trenches, earthworks, and barriers
Usage: military
2. research or data collection conducted outside of a laboratory or office, typically in natural or real-world settings
Usage: academic; research

Examples

• The soldiers constructed fieldworks to defend their position.
• Civil War battlefields still show evidence of extensive fieldworks.
• The anthropologist spent months conducting fieldworks in remote villages.
• Her dissertation was based on fieldworks in urban communities.
• The enemy’s fieldworks made the assault extremely difficult.
• Archaeological fieldworks revealed ancient settlement patterns.