Spelling

5. strong desire to do or to achieve something, typically requiring determination and hard work.: "her ambition was to become a pilot" "he achieved his ambition of making a fortune".
7. performance by two people, especially singers, instrumentalists, or dancers.: "performing duets with famous foreign artists".
8. character and atmosphere of a place.: "the relaxed ambience of the cocktail lounge is popular with guests".
11. a person) able to use the right and left hands equally well.: "few of us are naturally ambidextrous".
14. optical instrument with a lens for each eye, used for viewing distant objects.

1. two-hundredth anniversary of a significant event.: "a year-long celebration marking the bicentennial of Poe's birth".
2. to the immediate surroundings of something.: "the liquid is stored at below ambient temperature".
3. or relating to two sides; affecting both sides.: "bilateral hearing is essential for sound location".
4. contest with deadly weapons arranged between two people in order to settle a point of honor.: "twice he had seriously wounded men in duels".
6. house divided into two apartments, with a separate entrance for each.
9. into two parts.: "a landscape of farmland bisected by long straight roads".
10. language) open to more than one interpretation; having a double meaning.: "ambiguous phrases" "the question is rather ambiguous".
12. pair of people or things, especially in music or entertainment.: "the comedy duo Laurel and Hardy".
13. of two parts, elements, or aspects.: "their dual role at work and home".
14. produced, or occurring every two weeks or twice a week.: "a biweekly bulletin".