astragal

IPA: ˈæstrʌgʌɫ

(anatomy) Synonym of astragalus: the bone forming the ball of the ankle joint.
A die, especially a four-sided die historically made from or in imitation of an ankle bone.
(architecture) A semicircular molding separating the architrave at the top or bottom of a column.
A tool used to mold such features; similar tools used for connecting panes of glass in a window.
(weaponry) A circular molding near the mouth of a cannon.
(botany) A locoweed of the genus Astragalus.
(architecture) A molding attached to double doors to prevent drafts.
(roof plumbing) A bracket used to fix downpipes to the wall of a building.

Examples of "astragal" in Sentences

An enlarged section of the astragal mould which is grooved to fit on the bar which forms the rebate is also shown.
Fig. 265 is a rebated joint with loose tongue-slip and astragal mould, suitable for frames over 1-1/4 in. in thickness.
Fig. 257 is similar to the above, with the exception that the rail of the door is rebated (G) to receive the astragal moulding.
In Fig. 259 is shown a piece of brass astragal moulding, which may be procured from any cabinetmaker's ironmonger in suitable lengths.
In the former case the stiles are rebated (as already shown in Fig. 260), whilst at Fig. 262 an astragal bead is glued to the right-hand stile.
Several centuries later, the castle, called Seton Castle, retains the period detail, with astragal windows, ceiling plasterwork and unique chimneypieces.
Above the cymatium of the lintel, place the frieze of the doorway, of the same height as the lintel, and having a Doric cymatium and Lesbian astragal carved upon it.
The ingots of tin were in the form of an astragal, and an ancient ingot of large size dredged up in Falmouth Harbour, weighing 150 lbs., resembled the letter H in form.
Fig. 256 shows the meeting of two doors which open outwards, a separate piece of timber being made to form a rebated astragal mould (F) and glued to the right-hand door.
Fig. 258 illustrates the type of joint made by using a brass astragal mould (H) as employed on high-class work, frequently seen on French furniture of the Louis periods.