Defn: A person who inspects a mine daily; — called also underviewer.

UNDERLYING
Un`der*ly"ing, a.

Defn: Lying under or beneath; hence, fundamental; as, the underlying strata of a locality; underlying principles.

UNDERMANNED
Un`der*manned", a. (Naut.)

Defn: Insufficiently furnished with men; short-handed.

UNDERMASTED
Un"der*mast`ed, a. (Naut.)

Defn: Having masts smaller than the usual dimension; — said of vessels. Totten.

UNDERMASTER
Un"der*mas`ter, n.

Defn: A master subordinate to the principal master; an assistant master.

UNDERMATCH
Un"der*match`, n.