Historical clue formulations

• Do some lexicography — 2020-10-28
• Give meaning to — 2016-03-24
• Characterize — 2013-02-15
• Do lexicographical work — 2008-10-14
• Practice lexicography — 2006-10-18
• Demarcate — 2001-11-22
• Fix — 1999-10-16
• Emulate Webster — 1995-07-17
• Fix, as boundaries — 1994-09-08