ETYM AS. six, seox, siex.
Denoting a quantity consisting of six items or units; SYN. 6, vi, half dozen, half a dozen.

The cardinal number that is the sum of five and one; SYN. 6, VI, sixer, sise, Captain Hicks, half a dozen, sextet, sestet, sextuplet, hexad.

The, The original six signatory countries to the Treaty of Rome, which created the European Community (now the European Union) .