solo

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Music A composition or passage for an individual voice or instrument, with or without accompaniment.
2. n. A performance by a single singer or instrumentalist.
3. n. Games Any of various card games in which one player singly opposes others.
4. adj. Music Composed, arranged for, or performed by a single voice or instrument.
5. adj. Made or done by a single individual.
6. adv. Unaccompanied; alone: flew solo from Anchorage to Miami.
7. v. To perform a solo.
8. v. To fly an airplane without a companion or an instructor, especially for the first time.

Century Dictionary and Cyclopedia

1. In music, alone; not combined with other voices or instruments of equal importance; not concerted. A solo passage may be accompanied, however, by voices or instruments of less importance.
2. n. It. pl. soli (-li), E. pl. solos (-lōz).
3. n. A melody, movement, or work intended for or performed by a single performer, vocal or instrumental, with or without accompaniment. Opposed to concerted piece, whether chorus, duet, trio, or for a number of instruments.
4. n. A game of cards, played usually by four persons, with a euchre pack. That player who bids highest—that is, offers to take the greatest number of tricks alone, or, in a variety of the game, aided by a partner—plays against the rest. If he takes five or more tricks, he receives a payment from them; if not, he makes a payment to them.
5. n. In card-playing, a bid to play without a partner or without discarding from the hand, as in solo whist and skat.

Wiktionary

1. n. A piece of music for one performer.
2. n. A job or performance done by one person alone. (e.g, an airplane flight)
3. n. A card game similar to whist in which each player plays against the others in turn without a partner.
4. n. A single shot of espresso.
5. adj. Without a companion or instructor
6. adj. Of, for, or played as a musical solo.
7. v. To perform a solo
8. v. To perform something in the absence of anyone else; i.e to fly an aircraft alone (especially for the first time)

GNU Webster's 1913

1. n. A tune, air, strain, or a whole piece, played by a single person on an instrument, or sung by a single voice.
2. adj. Performing, or performed, alone; uncombined, except with subordinate parts, voices, or instruments; not concerted.

WordNet 3.0

1. v. fly alone, without a co-pilot or passengers
2. adj. composed or performed by a single voice or instrument
3. n. a flight in which the aircraft pilot is unaccompanied
4. n. a musical composition for one voice or instrument (with or without accompaniment)
5. n. any activity that is performed alone without assistance
6. v. perform a piece written for a single instrument
7. adv. without anybody else or anything else