from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A metrical foot having three short or unstressed syllables.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A classical metrical foot having three short or unstressed syllables
- n. A circular platform on three legs each having levelling screws; used to connect a theodolite to a tripod
from the GNU version of the Collaborative International Dictionary of English
- n. A poetic foot of three short syllables, .
from The Century Dictionary and Cyclopedia
- n. In ancient prosody, a foot consisting of three short times or syllables, two of which belong to the thesis and one to the arsis, or vice versa.
- n. Same as tribrachial.
Latin tribrachys, from Greek tribrakhus : tri-, tri- + brakhus, short; see mregh-u- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
Greek τρείς, three + βραχύς, short (Wiktionary)