Historical clue formulations

• Garden-variety poker? — 2024-12-13
• Metaphorical source of irritation — 2020-08-08
• Part of an acacia tree — 2019-10-20
• One of many in Jesus' crown — 2019-07-11
• Source of pain for a lion, per Aesop — 2018-06-27
• Part of a locust tree — 2017-08-20
• Rose's protection — 2015-01-13
• Briar part — 2012-11-11
• Runic letter for "th" — 2012-08-05
• Bramble feature — 2011-09-18
• Locust tree feature — 2010-01-04
• Feature of an acacia tree — 2008-09-04
• Protective protrusion — 2008-08-14
• Sticker — 2005-09-23
• Major irritant — 2004-04-17
• Sticker — 2003-01-24
• Pricker — 2002-12-02
• Cause of side discomfort? — 2000-07-20
• Brier feature — 1998-10-14
• Rose feature — 1998-04-27
• Considerable irritant — 1997-07-20
• Protector of 56-Down — 1996-09-04
• Prickly item — 1996-01-25
• Rose protector — 1995-06-13
• Annoyance — 1995-04-15