Res derelicta
Defined in 1 dictionary — Ballentine's (1916)
Ballentine's Law Dictionary
James A. Ballentine · 1916
(Civil Law) Property from which the mind has withdrawn affection, and which has thus fallen back into the natural state of res nullius, and is again susceptible of becoming the property of the occupant. See 27 Tex. 304, 84 Am. Dec. 631.