Defn: A subordinate or assistant builder.
An underbuilder in the house of God. Jer. Taylor.

UNDERBUILDING
Un"der*build`ing, n.

Defn: Same as Substruction.

UNDERBUY
Un`der*buy", v. t.

Defn: To buy at less than the real value or worth; to buy cheaper than. [R.] J. Fletcher.

UNDERCAST
Un`der*cast", v. t.

Defn: To cast under or beneath.

UNDERCHAMBERLAIN
Un`der*cham"ber*lain, n.

Defn: A deputy chamberlain of the exchequer.

UNDERCHANTER
Un`der*chant"er, n.