| Fulcrum 1. (n.) A support by which a lever pivots; an agent through which power is exercised. 2. (n.) A prop or support. 3. (n.) An accessory organ such as a tendril, stipule, spine, and the like. 4. (n.) The horny inferior surface of the lingua of certain insects. 5. (n.) One of the small, spiniform scales found on the front edge of the dorsal and caudal fins of many ganoid fishes. 6. (n.) The connective tissue supporting the framework of the retina of the eye. Thesaurus Entries advocate, alpenstock, arbor, arm, athletic supporter, axis, axle, axle bar, axle shaft, axle spindle, axle-tree, back, backbone, backing, bandeau, bearer, bearing, bra, brace, bracer, bracket, brassiere, buttress, cane, carrier, cervix, corset, crook, crutch, distaff, foundation garment, gimbal, girdle, gudgeon, guy, guywire, hinge, hingle, hub, jock, jockstrap, mainstay, maintainer, mandrel, mast, nave, neck, oarlock, pin, pintle, pivot, pole, prop, radiant, reinforce, reinforcement, reinforcer, rest, resting place, resting point, rigging, rowlock, shoulder, shroud, spindle, spine, sprit, staff, standing rigging, stave, stay, stick, stiffener, strengthener, support, supporter, sustainer, swivel, thole, tholepin, trunnion, upholder, walking stick | ![]() |