FERRO-CONCRETE n.
Concrete strengthened by a core or foundation skeleton of iron or steel bars, strips, etc. Floors, columns, piles, water pipes, etc., have been successfully made of it. Called also armored concrete steel, and reënforced concrete.
FIN n.
Fin ray (Anat.), one of the hornlike, cartilaginous, or bony, dermal rods which form the skeleton of the fins of fishes. -- Fin whale (Zoöl.), a finback. -- Paired fins (Zoöl.), the pectoral and ventral fins, corresponding to the fore and hind legs of the higher animals. -- Unpaired, or Median, fins (Zoöl.), the dor…
FRAME v. 3 definitions
To construct by fitting and uniting the several parts of the skeleton of any structure; specifically, in woodwork, to put together by cutting parts of one member to fit parts of another. See Dovetail, Halve, v. t., Miter, Tenon, Tooth, Tusk, Scarf, and Splice.
GEAR n.
n honest man. Latimer. Bever gear. See Bevel gear. -- Core gear, a mortise gear, or its skeleton. See Mortise wheel, under Mortise. -- Expansion gear (Steam Engine), the arrangement of parts for cutting off steam at a certain part of the stroke, so as to leave it to act upon the piston expansively; the cut-off. See u…