Tectonics \Tec*ton"ics\, n. The science or art by which implements, vessels, buildings, etc., are constructed, both in relation to their use and to their artistic design.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Tectonics \Tec*ton"ics\, n. The science, or the art, by which implements, vessels, dwellings, or other edifices, are constructed, both agreeably to the end for which they are designed, and in conformity with artistic sentiments and ideas.

Source: Webster's Revised Unabridged Dictionary (1913)