testan.
/ˈtɛstə/, U.S. /ˈtɛstə/ 1. Botany. The skin or coating of a seed.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > seed > [noun] > parts of > covering or skin
pillc1300
huskc1400
shell1561
tunicle1601
parchment1682
tunic1760
seed coat1776
aril1785
testa1796
perula1825
spermoderm1841
endopleura1842
test1846
arillode1854
tegmen1857
1796 De Serra in Philos. Trans. (Royal Soc.) 86 500 (Fruct. of Algæ) Their very viscous albumen answers..all the purposes the testa accomplishes in other eggs.
1807 J. E. Smith Introd. Physiol. & Systematical Bot. 294 Testa, the Skin, contains all the parts of a seed above described.
1877 T. H. Huxley & H. N. Martin Course Elem. Biol. (ed. 4) 86 Carefully peel off the outer coat (testa) of the seed.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Mollusca > [noun] > mollusc or shell-fish > parts of mollusc
ungulaa1382
mantlea1475
trunk1661
diaphragm1665
lid1681
operculum1681
ear1688
beard1697
corslet1753
scar1793
opercle1808
pleura1826
pallium1834
byssus1835
cephalic ganglia1835–6
opercule1836
lingual ribbon1839
tube1839
cloak1842
test1842
collar1847
testa1847
rachis1851
uncinus1851
land-shell1853
mantle cavity1853
mesopodium1853
propodium1853
radula1853
malacology1854
gill comb1861
pallial cavity1862
tongue-tootha1877
mesopode1877
odontophore1877
pallial chamber1877
shell-gland1877
rasp1879
protopodium1880
ctenidium1883
osphradium1883
shell-sac1883
tooth-ribbon1883
megalaesthete1885
rachidian1900
scungille1953
tentacle-sheath-
the world > animals > invertebrates > protozoa > class Sarcodina > order Rhizopoda > [noun] > suborder Foraminifera > member of > shell
test1842
testa1847
1847 in Webster's Amer. Dict. Eng. Lang.
This entry has not yet been fully updated (first published 1911; most recently modified version published online March 2022).
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n.1796