from The Century Dictionary.
- noun A sand-glass running about three minutes, for timing the boiling of eggs.
- noun An egg-cup of glass.
from the GNU version of the Collaborative International Dictionary of English.
- noun A small sandglass, running about three minutes, for marking time in boiling eggs; also, a small glass for holding an egg, at table.
Sorry, no etymologies found.
It could scarcely fail to inspire a sentiment almost like disgust to have the creator of Leather-Stocking argue with heat the (p. 169) question whether it is right for a lady to come into a drawing-room at a party without leaning upon the arm of a gentleman; or discourse solemnly upon the proper way of eating eggs, and announce oracularly that all who were acquainted with polite society would agree in denouncing the wine-glass or egg-glass as a vulgar substitute for the egg-cup.