bunker (n.)Related entries & more
1758, originally Scottish, "seat, bench," a word of uncertain origin, possibly a variant of banker "bench" (1670s; see bank (n.2)); or possibly from a Scandinavian source (compare Old Swedish bunke "boards used to protect the cargo of a ship"). Meaning "receptacle for coal aboard a ship" is from 1839. Of sand-holes on golf courses, by 1824, from the extended sense "earthen seat" (1805). The meaning "dug-out fortification" probably is from World War I.
bunk (n.1)Related entries & more
1758, "sleeping-berth in a vessel," later in a railroad car, etc., probably a shortened form of bunker (n.) in its sense of "seat." Bunk-bed (n.) attested by 1869.
Bunker HillRelated entries & more
battle site in Massachusetts, U.S., it rises on land assigned in 1634 to George Bunker, who came from the vicinity of Bedford, England. The name dates from 1229, as Bonquer, and is from Old French bon quer "good heart."