lithosphere(n = noun.object) geosphere - the solid part of the earth consisting of the crust and outer mantle;
is a kind of layer
is a part of earth, globe, world
has parts: crust, earth's crust, mantle, earth's surface, surface

   The solid earth as distinguished from its fluid envelopes, the hydrosphere and atmosphere. [Webster 1913 Suppl.]

lithosphere, n.
1 the layer including the earth's crust and upper mantle.
2 solid earth (opp. HYDROSPHERE, ATMOSPHERE).

Derivative:
lithospheric adj.

N  region, sphere, ground, soil, area, field, realm, hemisphere, quarter, district, beat, orb, circuit, circle, reservation, pale, compartment, department, clearing, (property) &c 780 (Government), 1 arena, precincts, enceinte, walk, march, patch, plot, parcel, inclosure, close, field, court, enclave, reserve, preserve, street, clime, climate, zone, meridian, latitude, biosphere, lithosphere, territorial, local, parochial, provincial, regional.