Apex1. (n.) The tip, top, highest point, or angular summit of anything; as, the apex of a mountain, spire, or cone; the apex, or tip, of a leaf.
2. (n.) The end or edge of a vein nearest the surface.
Thesaurus Entries
L, Olympian heights, achievement, acme, aerial heights, alveolar ridge, alveolus, angle, apogee, arytenoid cartilages, attainment, back, bend, bifurcation, bight, blade, brow, cant, cap, capstone, chevron, climax, cloud nine, coin, consummation, corner, crank, crescendo, crest, crook, crotchet, crown, culmen, culmination, deflection, dizzy heights, dogleg, dorsum, edge, elbow, elevation, ell, eminence, ether, extreme limit, extremity, fork, furcation, hard palate, heaven, heavens, height, heights, high noon, highest pitch, highest point, hook, inflection, knee, larynx, last word, lift, limit, lips, maximum, meridian, mountaintop, nasal cavity, ne plus ultra, no place higher, nook, noon, noontide, oral cavity, palate, peak, pharyngeal cavity, pharynx, pinnacle, pitch, point, pole, prime, prominence, quoin, raise, realization, ridge, rise, rising ground, roof, seventh heaven, sky, soft palate, speech organ, spire, steep, stratosphere, summit, swerve, syrinx, teeth, teeth ridge, tip, tip-top, tongue, top, ultimate, upmost, upper extremity, uppermost, uprise, utmost, vantage ground, vantage point, veer, very top, vocal chink, vocal cords, vocal folds, vocal processes, voice box, zag, zenith, zig, zigzag