SUBCIRCULAR
Sub*cir"cu*lar, a.

Defn: Nearly circular.

SUBCLASS
Sub"class`, n.

Defn: One of the natural groups, more important than an order, into which some classes are divided; as, the angiospermous subclass of exogens.

SUBCLAVIAN
Sub*cla"vi*an, a. Etym: [Pref. sub- + L. clavis a key. See Clavicle.]
(Anat.)

Defn: Situated under the clavicle, or collar bone; as, the subclavian arteries.

SUBCOLUMNAR
Sub`co*lum"nar, a. (Geol.)

Defn: Having an imperfect or interrupted columnar structure.

SUBCOMMITTEE
Sub`com*mit"tee, n.

Defn: An under committee; a part or division of a committee. Yet by their sequestrators and subcommittees abroad . . . those orders were commonly disobeyed. Milton.