n. (Geom.) The part of the axis contained between the ordinate and tangent drawn to the same point in a curve. [ 1913 Webster ]
a. Being or living under Tartarus; infernal. “Subtartarean powers.” Pope. [ 1913 Webster ]
n. [ Pref. sub- + L. tectum a roof. ] A space under a roof; a tabernacle; a dwelling. [ Obs. ] Davies (Holy Roode). [ 1913 Webster ]
a. [ L. subtegulaneus; sub under + tegulare tiles for a roof. ] Under the roof or eaves; within doors. [ R. ] [ 1913 Webster ]
n. (Law) One who rents a tenement, or land, etc., of one who is also a tenant; an undertenant. [ 1913 Webster ]
v. t.
n. [ L. subtendere, subtentum. See Subtend, Tense, a. ] (Geom.) A line subtending, or stretching across; a chord;
a. Slightly tepid. [ 1913 Webster ]
a. Somewhat terete. [ 1913 Webster ]