back·field 
(băkfēld′)
(băkfēld′)n.
1. Football
a. The players stationed some distance behind the line of scrimmage: a team with a strong defensive backfield.
b. The positions filled by these players.
c. The area in which these players are positioned.
2. Sports The primarily defensive players on a soccer, field hockey, or Rugby team.
- Cardiff
- cardigan
- Cardigan Bay
- card in
- Cardin
- cardinal
- cardinalate
- cardinal flower
- cardinal number
- cardinal point
- cardinalship
- cardinal virtue
- cardio
- cardio-
- cardioacceleration
- cardioaccelerator
- cardiogenic
- cardiogram
- cardiograph
- cardiography
- cardioid
- cardiolipin
- cardiological
- cardiologist
- cardiology