1. (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.

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