411 REFERENCE · Wiktionary
Riker mount
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
It was patented in 1902 by Clarence B. Riker.
Noun
A flat container used for mounting a specimen (typically plant or insect) on cotton wool or other backing material, often with transparent glass or plastic cover as protection.
en eponyms