1. to twist or unravel (rope, fabric, or similar material) into separate fibers or strands
Usage: nautical or technical; often used in the phrase 'fease out'

Examples

• The sailor began to fease the old rope to prepare it for splicing.
• If you fease out the fibers, you can see the individual strands more clearly.
• The fabric started to fease at the edges after repeated washing.
• He carefully feased the twine to separate its component threads.