sixty Meaning, Definition & Usage

  1. noun the cardinal number that is the product of ten and six
    60; LX.
  2. adjective satellite being ten more than fifty
    60; threescore; lx.

WordNet

Six"ty adjective
Etymology
AS. siextig; akin to G. sechzig, Goth. saíhs tigjus. See Six, Ten, and cf. Sixteen.
Definitions
  1. Six times ten; fifty-nine and one more; threescore.
Six"ty noun
Wordforms
plural Sixties
Definitions
  1. The sum of six times ten; sixty units or objects.
  2. A symbol representing sixty units, as 60, lx., or LX.

Webster 1913