[hed-er] /ˈhɛd ər/
a person or thing that removes or puts a head on something.
a reaping machine that cuts off and gathers only the heads of the grain.
a chamber to which the ends of a number of tubes are connected so that water or steam may pass freely from one tube to the other.
Automotive. an exhaust manifold.
Informal. a plunge or dive headfirst, as into water:
He stumbled and took a header into the ditch.
Soccer. a pass or shot made by heading the ball.
a sign that is part of or attached to the top of a rack displaying merchandise.
Computers. a line of information placed at the top of a page for purposes of identification.
Also called header tank. a reservoir, tank, or hopper that maintains a gravity feed or a static fluid pressure in an apparatus
a manifold for distributing a fluid supply amongst a number of passages
a machine that trims the heads from castings, forgings, etc, or one that forms heads, as in wire, to make nails
a person who operates such a machine
a brick or stone laid across a wall so that its end is flush with the outer surface Compare stretcher (sense 5)
the action of striking a ball with the head
(informal) a headlong fall or dive
(dialect) a mentally unbalanced person
“head-first dive or plunge,” 1849, from head (n.); as a type of pass or shot with the head in soccer, by 1906.
/ˈhɛdfɑːst/ noun 1. a mooring rope at the bows of a ship
[hed-furst] /ˈhɛdˈfɜrst/ adverb 1. with the in front or bent forward; headforemost: He dived headfirst into the sea. 2. rashly; precipitately. /ˈhɛdˈfɜːst/ adjective, adverb 1. with the head foremost; headlong: he fell headfirst adverb 2. rashly or carelessly
[hed-fish] /ˈhɛdˌfɪʃ/ noun, plural (especially collectively) headfish (especially referring to two or more kinds or species) headfishes. 1. . 2. .
- Head fold
head fold n. A ventral folding of the cephalic extremity in the embryonic disk, so that the brain lies in a rostral direction to the mouth and pericardium.