| a combining form meaning “alone,” “solitary,” used in the formation of compound words: solifidian. |
[soh-loh] 
noun, plural -los, -li [-lee] , adjective, adverb, verb | 1. | a musical composition or a passage or section in a musical composition written for performance by one singer or instrumentalist, with or without accompaniment: She sang a solo. |
| 2. | any performance, as a dance, by one person. |
| 3. | a flight in an airplane during which the pilot is unaccompanied by an instructor or other person: I'll be ready for my first solo next week. |
| 4. | a person who works, acts, or performs alone: He used to sing with a quartet, but now he's a solo. |
| 5. | a person who performs or accomplishes something without the usual equipment, tools, etc. |
| 6. | Informal. an announcement, commercial offering, etc., made to only one person or a selected group of such persons: Each month the firm sends a solo to its best customers. |
| 7. | Cards. any of certain games in which one person plays alone against others. |
| 8. | Music. performing alone: a part for solo bassoon. |
| 9. | performed alone; not combined with other parts of equal importance; not concerted. |
| 10. | alone; without a companion or partner: a solo flight. |
| 11. | on one's own; alone or unaccompanied: After six lessons he was flying solo. |
| 12. | to perform or do a solo: to solo on the trumpet. |
| 13. | to pilot a plane, glider, etc., unaccompanied, esp. for the first time: After the course the students should be able to solo. |
| 14. | to perform or accomplish something by oneself. |
| 15. | to pilot (a plane, glider, etc.) unaccompanied. |
| 16. | to allow (a student pilot) to pilot a plane, glider, etc., alone: The instructor decided to solo the student. |
