/ruyv/ , v. , rived, rived or riven, riving .
v.t.
1. to tear or rend apart: to rive meat from a bone.
2. to separate by striking; split; cleave.
3. to rend, harrow, or distress (the feelings, heart, etc.).
4. to split (wood) radially from a log.
v.i.
5. to become rent or split apart: stones that rive easily.
[ 1225-75; ME riven rifa to tear, split. See RIFT ]