a. 正面朝上的

n the upper part of the human body or the front part of the body in animals; contains the face and brains

n a single domestic animal

n that which is responsible for one's thoughts and feelings; the seat of the faculty of reason

n a person who is in charge

n the front of a military formation or procession

n the pressure exerted by a fluid

n the top of something

n the source of water from which a stream arises

n (grammar) the word in a grammatical constituent that plays the same grammatical role as the whole constituent

n the tip of an abscess (where the pus accumulates)

n the length or height based on the size of a human or animal head

n a dense cluster of flowers or foliage

n the educator who has executive authority for a school

n an individual person

n a user of (usually soft) drugs

n a natural elevation (especially a rocky one that juts out into the sea)

n a rounded compact mass

n the foam or froth that accumulates at the top when you pour an effervescent liquid into a container

n the part in the front or nearest the viewer

n a difficult juncture

n forward movement

n a V-shaped mark at one end of an arrow pointer

n the subject matter at issue

n a line of text serving to indicate what the passage below it is about

n the rounded end of a bone that fits into a rounded cavity in another bone to form a joint

n that part of a skeletal muscle that is away from the bone that it moves

n (computer science) a tiny electromagnetic coil and metal pole used to write and read magnetic patterns on a disk

n (usually plural) the obverse side of a coin that usually bears the representation of a person's head

n the striking part of a tool

n (nautical) a toilet on board a boat or ship

n a projection out from one end

n a membrane that is stretched taut over a drum

n oral stimulation of the genitals

v to go or travel towards

v be in charge of

v travel in front of; go in advance of others

v be the first or leading member of (a group) and excel

v direct the course; determine the direction of travelling

v take its rise

v be in the front of or on top of

v form a head or come or grow to a head

v remove the head of