also fiddlehead, "one with a head as hollow as a fiddle," 1854 (fiddleheaded), from fiddle (n.) + head (n.). As a name for young fern fronds, from 1877, from resemblance to a violin's scroll. Earliest use is nautical, "carved ornamental work at the bow of a ship in the form of a scroll or volute" (1799).
There are three kinds of heads,—1st The Figure-head is one on which is placed the figure of a man, woman, or the like, &c.; 2d, The Billet-head, or Scroll-head is one finished with two scrolls or volutes ...; and 3d, the Fiddle-head, which is finished with only one scroll or volute, having the spirals turning inwards to the vessel. [Peter Hedderwick, "Treatise on Marine Architecture," Edinburgh, 1830]
also headhunter, 1800, "a savage who raids for the purpose of procuring human heads as trophies or for use in religious ceremonies," from head (n.) + hunter. Extended sense "person who finds and recruits desirable workers employed elsewhere to fill job positions" is suggested or in occasional use from 1918, frequent from 1961. Related: Head-hunting (1817).
emporium for stoner gear, by 1969 (noted in 1966 as the name of a specific shop in New York City selling psychedelic stuff), from head (n.) in the drug sense.
also beachhead, "a position on a beach taken from the enemy by assault from the sea and used as a base for further attack," 1940, in reference to German military tactics in World War II, from beach (n.) + head (n.). On the model of bridgehead, but the image doesn't quite work; worse is the attempt at airhead.