matrass
noun
mat·rass
variants or less commonly matras or mattrass
ˈma‧trəs
plural -es
: a rounded glass flask with a long neck formerly used for dissolving substances by the application of heat or for distilling
called also bolt head
Word History
Etymology
French matras tall bottle, from Middle French, from matras arrow, from Latin matara javelin, from Gaulish; probably akin to Latin metiri to measure