| 1. | one of three children or offspring born at the same birth. |
| 2. | triplets, three offspring born at one birth. |
| 3. | any group or combination of three. |
| 4. | Prosody. three successive verses or lines, esp. when rhyming and of the same length; a stanza of three lines. |
| 5. | Also called tercet. Music. a group of three notes to be performed in the time of two ordinary notes of the same kind. |
| 6. | an assembled imitation gem with three parts, the center one giving the color, the top and bottom, sometimes genuine, supplying the wearing qualities. |
| 7. | Genetics. a sequence of three nucleotides; a codon in messenger RNA and an anticodon in transfer RNA. |
| 8. | Optics. a compound lens in which three lenses are combined. |
| 9. | triplets, (in some card games) three cards of the same denomination. |
triplet trip·let (trĭp'lĭt)
n.
Any of three children delivered at the same birth.
A set of three similar objects, such as a compound lens in a microscope formed of three planoconvex lenses.
A unit of three successive nucleotides in a DNA or RNA molecule that codes for a specific amino acid; a codon or anticodon.