TOPONOMY
To*pon"o*my, n. Etym: [Gr.
Defn: The designation of position and direction. B. G. Wilder.
TOPONYM
Top"o*nym, n.
Defn: A name of a place; more broadly, a name, as in the binomial name of a plant, based on, or derived from, a place name, or based on the location of the thing named.
TOPONYMY
To*pon"y*my, n.
Defn: A system of toponyms; the use of toponyms. — To*pon"y*mal (#),
Top`o*nym"ic (#), Top`o*nym"ic*al (#), a.
TOPOPHONE
Top"o*phone, n. [Gr. place + Gr. sound.]
Defn: A double ear trumpet for estimating the direction from which sounds proceed, esp. for the use of navigators.
TOP OUT
Top out. (Building)
Defn: To top off; to finish by putting on a cap of top (uppermost) course (called a top`ping-out" course).