bow

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To bend or curve downward; stoop.
• intransitive verb To incline the body or head or bend the knee in greeting, consent, courtesy, acknowledgment, submission, or veneration.
• intransitive verb To yield in defeat or out of courtesy; submit. synonym: yield.
• intransitive verb To bend (the head, knee, or body) to express greeting, consent, courtesy, acknowledgment, submission, or veneration.
• intransitive verb To convey (greeting, for example) by bending the body.
• intransitive verb To escort deferentially.
• intransitive verb To cause to acquiesce; submit.
• intransitive verb To overburden.
• noun An inclination of the head or body, as in greeting, consent, courtesy, acknowledgment, submission, or veneration.
• idiom (bow and scrape) To behave obsequiously.
• noun A bent, curved, or arched object.
• noun A weapon consisting of a curved, flexible strip of material, especially wood, strung taut from end to end and used to launch arrows.
• noun An archer.
• noun Archers considered as a group.
• noun Music A rod having horsehair drawn tightly between its two raised ends, used in playing instruments of the violin and viol families.
• noun A stroke made by this rod.
• noun A knot usually having two loops and two ends; a bowknot.
• noun A frame for the lenses of a pair of eyeglasses.
• noun The part of such a frame passing over the ear.
• noun A rainbow.
• noun An oxbow.
• intransitive verb To bend (something) into the shape of a bow.
• intransitive verb Music To play (a stringed instrument) with a bow.
• intransitive verb To bend into a curve or bow.
• intransitive verb Music To play a stringed instrument with a bow.
• noun The front section of a ship or boat.
• noun Either of the sides of this front section.
• noun The oar or the person wielding the oar closest to the bow in a racing shell.

from The Century Dictionary.

• To become bent or crooked; assume a curved form; bend; curve.
• To tend; turn; incline.
• To bend or curve downward; take a bent posture or attitude; stoop.
• To bend the neck under a yoke; submit or become subject; yield: as, to bow to the inevitable.
• To bend the body or head in worship, or in token of reverence, respect, or submission: with to or before, and sometimes emphasized by down.
• To make a bow; incline the body or the head toward a person by way of salutation or friendly recognition, or in acknowledgment of some courtesy.
• To cause to bend; make curved or crooked; cause to assume and retain a bent shape.
• To cause to stoop or become bent, as with old age or a burden; hence, to crush.
• To cause to bend in submission; cause to submit; subdue.
• To bend; inflect; cause to deviate from a given condition.
• To incline; turn in a particular direction; influence.
• To bend or incline in worship or adoration, or in token of submission, homage, respect, civility, condescension, or attention.
• To express by a bow or by bowing: as, to bow one's thanks or assent.
• To accompany or usher in, out, etc., with a bow or bows.
• noun A Scotch form of boll.
• noun . Same as bough. Compare with bowpot for boughpot.
• noun Nautical, the forward part or head of a ship, beginning where the sides trend inward, and terminating where they close or unite in the stem or prow. A narrow bow is called a lean bow; a broad one, a bold or bluff bow.
• noun The foremost oar used in rowing a boat, or the person who pulls that oar; the bow-oar.