Definify.com

Webster 1913 Edition

Adj.

[L.

lucrum

gain +

-ferous

Gainful; profitable.

[Obs.]

Boyle.

Adj.

[L. lucrum, gain, and fero, to produce.] Gainful; profitable. [Little used.]

lucriferous ‎(comparative more lucriferous, superlative most lucriferous)

(obsolete) gainful; profitable
- 1774, Robert Boyle, The Life of the Honourable Robert Boyle. In Thomas Birch, The Works of the Honourable Robert Boyle, page cxxx :
  [B]eing a bachelor, and through God's bounty furnished with a competent estate for a younger brother, and freed from any ambition to leave my heirs rich, I had no need to pursue lucriferous experiments, to which I so much preferred luciferous ones