society > travel > travel by water > directing or managing a ship > use of sails, spars, or rigging > carry specific amount of sail [verb (transitive)] > trim sails > release sheet (3)
veerc1460
transitive. To allow (a sheet or other sail-line) to run out to some extent; to let out by releasing. Also with out. ? Obsolete.
firec1540
transitive. To let out (an anchor cable); = veer, v.1 3a.