Conventional trustee
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
A "conventional" trustee is one appointed by a decree of court to execute a trust, as distingnished from one appointed by the instrument creating the trust.
Gilbert v. Kolb, 85 Md. 627, 37 Atl. 423_Joiut trustees.
Two or more persons who are intrusted with property for the benefit of one or more others.