/fool"kreuhm, ful"-/ , n. , pl. fulcrums, fulcra /-kreuh/ , v.
n.
1. the support, or point of rest, on which a lever turns in moving a body.
2. any prop or support.
3. Zool. any of various structures in an animal serving as a hinge or support.
v.t.
4. to fit with a fulcrum; put a fulcrum on.
[ 1665-75; fulctrum, equiv. to fulc ( ire ) to hold up, support + -trum n. suffix of instrument ]