tax ‧ i ‧ der ‧ my /ˈtæksədɜːmi, ˈtæksɪdɜːmi $ -ɜːr-/ BrE AmE noun [uncountable]
[ Date: 1800-1900 ; Language: Greek ; Origin: taxis ( ⇨ ↑ taxonomy ) + derma 'skin' ]
the art of filling the skins of dead animals, birds, or fish with a special material so that they look as though they are alive