Defn: A low or subdued tone or utterance; a tone less loud than usual.

UNDERTOOK
Un`der*took",

Defn: imp. of Undertake.

UNDERTOW
Un"der*tow`, n. (Naut.)

Defn: The current that sets seaward near the bottom when waves are breaking upon the shore.

UNDERTREASURER
Un"der*treas`ur*er, n.

Defn: An assistant treasurer.

UNDERTURN
Un`der*turn, v. t.

Defn: To turn upside down; to subvert; to upset. [Obs.] Wyclif.

UNDERVALUATION
Un`der*val`u*a"tion, n.