1. A stout, elongated component of maritime propulsion systems, noted for its formidable girth and rotational authority. Particularly evident when viewed astern, in raking light.
2.colloq. What you call a crankshaft after it stops fitting through normal doorways.
In a sentence,
"The marine diesel crankshaft was so thiccc the dock crane refused it on the first lift, citing a personal limit."
Etymology,
From crank (Middle English cranke, 'a bend or turn') + shaft (Old English sceaft, 'pole or rod'), with the maritime diesel sub-genre dating to Rudolf Diesel's 1893 patent. The ocean asked for power. The crankshaft replied with mass.
Yes. Crankshaft, Marine Diesel is a catalogued Thiccctionary entry, ruled on May 24, 2026 and filed in the Industrial Machinery section. Every subject in the catalogue has cleared the editorial bar for girth.
What makes a marine diesel crankshaft thiccc?
What you call a crankshaft after it stops fitting through normal doorways.
Is "thiccc" spelled with three c's?
Yes. The Thiccctionary house spelling uses three c's, distinguishing the editorial register from the colloquial "thicc" (two c's) and standard "thick" (one c).