Word Study
oswald |
oswald spengler |
oswald veblen |
oswego tea |
otacoustic |
otacousticon
| otaheite apple
| otaheite arrowroot
| otaheite arrowroot starch
| otalgia
| otalgic
otacousticon
CIDE DICTIONARY
otacousticon, n.
An instrument to facilitate hearing, as an ear trumpet. [1913 Webster]
For further exploring for "otacousticon" in Webster Dictionary Online