1. Supplement to a will.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• concil,
• coincil,
• coucil,
• counicil,
• couincil,
• codial,
• comicile,
• conucil,
• codicul,
• codicim,
• nidocil,
• codicall,
• Codicel,
• codiulle,
• codistt,
• modiciy,
• Monadicil,
• codicile,
• CODiSYL,
• codidium

The adjective form of the word "codicil" is "codicillary".

The plural of the "codicil" can be the "codicils".

The singular of the "codicil" can be the "codicil".