'Tectonic' definitions:

Definition of 'tectonic'

From: WordNet
adjective
Pertaining to the structure or movement of the earth's crust; "tectonic plates"; "tectonic valleys"
adjective
Of or pertaining to construction or architecture [syn: tectonic, architectonic]

Definition of 'Tectonic'

From: GCIDE
  • Tectonic \Tec*ton"ic\, a. [L. tectonicus, Gr. ?, fr. ?, ?, a carpenter, builder.]
  • 1. Of or pertaining to building or construction; architectural. [1913 Webster]
  • 2. (Biol.) Structural. [Webster 1913 Suppl.]
  • 3. (Geol. & Phys. Geog.) Of, pert. to, or designating, the rock structures and external forms resulting from the deformation of the earth's crust; as, tectonic arches or valleys; tectonic plates. [Webster 1913 Suppl. +PJC]