(b) The blade of a saw. (c) The thin, sharp part of a colter. (d) The bit of a key.
7. (Mach. & Engin.)
Defn: A plate or thin portion, continuous or perforated, connecting stiffening ribs or flanges, or other parts of an object. Specifically: — (a) The thin vertical plate or portion connecting the upper and lower flanges of an lower flanges of an iron girder, rolled beam, or railroad rail. (b) A disk or solid construction serving, instead of spokes, for connecting the rim and hub, in some kinds of car wheels, sheaves, etc. (c) The arm of a crank between the shaft and the wrist. (d) The part of a blackmith's anvil between the face and the foot.
8. (Med.)
Defn: Pterygium; — called also webeye. Shak.
9. (Anat.)
Defn: The membrane which unites the fingers or toes, either at their bases, as in man, or for a greater part of their length, as in many water birds and amphibians.
10. (Zoöl.)
Defn: The series of barbs implanted on each side of the shaft of a feather, whether stiff and united together by barbules, as in ordinary feathers, or soft and separate, as in downy feathers. See Feather.
Pin and web (Med.), two diseases of the eye, caligo and pterygium; — sometimes wrongly explained as one disease. See Pin, n., 8, and Web, n., 8. "He never yet had pinne or webbe, his sight for to decay." Gascoigne. — Web member (Engin.), one of the braces in a web system. — Web press, a printing press which takes paper from a roll instead of being fed with sheets. — Web system (Engin.), the system of braces connecting the flanges of a lattice girder, post, or the like.