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Webster 1913 Edition

Noun.

[NL.

terrella

, from L.

terra

the earth.]

A spherical magnet so placed that its poles, equator, etc., correspond to those of the earth.

[Obs.]

Chambers.

Noun.

[from terra.] Little earth, a magnet of a just spherical figure, and so placed that its poles, equator, &c. correspond exactly to those of the world.

See also: térrel

terrel ‎(plural terrels)

(obsolete) A spherical magnet positioned so that its poles, equator, etc., correspond to those of the Earth.
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