head

2a : the seat of the intellect : mind two heads are better than one

b : a person with respect to mental qualities let wiser heads prevail

c : natural aptitude or talent a good head for figures

d : mental or emotional control : poise a level head

e : headache

4a : person, individual count heads

b plural head : one of a number (as of domestic animals) sold twenty head of cattle

5a : the end that is upper or higher or opposite the foot the head of the table head of a sail

b : the source of a stream or river the head of the Nile

c : either end of something (such as a drum) whose two ends need not be distinguished

6 : director, leader: such as

a : headmaster

b : one in charge of a division or department in an office or institution the head of the English department met with the other department heads

7a : capitulum sense 2

b : the foliaged part of a plant especially when consisting of a compact mass of leaves, flowers, or fruit a head of lettuce a single head of grain

8a : the leading element of a military column or a procession

b : headway often she had to fight for her head as the press of sail buried her bow— C. V. Reilly

9a : the uppermost extremity or projecting part of an object : top the head of a bolt

b : the striking part of a weapon, tool, or implement the head of an ax

c : the rounded proximal end of a long bone (such as the humerus)

d : the end of a muscle nearest the origin

e : the oval part of a printed musical note

10a : a body of water kept in reserve at a height also : the containing bank, dam, or wall

b : a mass of water in motion (as in a rip current)

11a : the difference in elevation between two points in a body of fluid

b : the resulting pressure of the fluid at the lower point expressible as this height broadly : pressure of a fluid an engine with a full head of steam

12a : the bow and adjacent parts of a ship

b : a ship's toilet broadly : toilet sense 1

17a : the part of a boil, pimple, or abscess at which it is likely to break

b : culminating point of action : crisis events came to a head

18a : a part or attachment of a machine or machine tool containing a device (such as a cutter or drill) turret head of a lathe also : the part of an apparatus that performs the chief function or a particular function a drill head

b magnetic recording : an electromagnet used as a transducer for recording on, reading, or erasing a magnetic medium (such as tape or a disk)

20a : one who uses a drug —often used in combination pothead

b : a devoted enthusiast : aficionado —often used in combination computerhead

2a : to put the striking part of a weapon, tool, or implement on : fit a head (see head entry 1 sense 9b) to head an arrow

b : to form the uppermost extremity or projecting part of : to form the head or top of tower headed by a spire

4a : to get in front of so as to hinder, stop, or turn back head a herd of cattle

b : to take a lead over (as in a race) : surpass

c : to pass (a stream) by going round above the source

5a : to place something at the beginning or top of (something) in order to introduce or categorize : to put something at the head of (something, as a list) Each page was headed with the writer's name.

b : to stand as the first or leading member of heads the list of heroes