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Webster 1913 Edition

Adj.

Ornamented with a large number of buttons.

“The buttony boy.”

Thackeray.

“My coat so blue and buttony.”

W. S. Gilbert.

buttony ‎(comparative more buttony, superlative most buttony)

Ornamented with buttons.

The buttony boy. — Thackeray.

My coat so blue and buttony. — W. S. Gilbert.

buttony ‎(uncountable)

The manufacture of buttons.
- 2010, David Hilliam, Little Book of Dorset
  Catastrophically for Dorset buttony, Ashton's buttonmaking machine was invented in 1850 and proudly exhibited at the Great Exhibition of 1851. As a consequence of this invention, the Dorset cottage industry collapsed virtually overnight […]