Webster's Revised Unabridged Dictionary · 1913

Three-piled

Three-piled , adjective

1.
Having the quality of three-pile; best; most costly. [Rare]
Thou art good velvet; thou 'rt three-piled piece. — Shakespeare
2.
Figuratively: Extravagant; exaggerated; high-flown.
Three-piled hyperboles. — Shakespeare
3.
Accustomed to wearing three-pile; hence, of high rank, or wealth. [Obsolete]
Three-piled people. — Beau. & Fl