Nuncupative \Nun*cu"pa*tive\, a. [L. nuncupativus nominal: cf. F. nuncupatif.]

1. Publicly or solemnly declaratory. [Obs.]

2. Nominal; existing only in name. [Obs.]

3. Oral; not written.

Nuncupative will or testament, a will or testament made by word of mouth only, before witnesses, as by a soldier or seaman, and depending on oral testimony for proof. --Blackstone.

Source: Webster's Revised Unabridged Dictionary (1913)