retrorsaladj.
/rᵻˈtrɔːsl/, U.S. /rəˈtrɔrsəl/ rare.† 1. Of a route: backward, return. Obsolete.
ΘΚΠ
the world > movement > motion in a certain direction > backward movement > [adjective] > returning towards point of departure > of or relating to or of nature of
backwarda1616
recoursary1662
retrorsal1840
1840 G. S. Faber tr. Homer in Christ's Disc. Capernaum 234 Let her navigate her retrorsal course to the country whence she came [Gk. ἐν νηυσὶ νεέσθω].
2. = retrorse adj.
ΘΚΠ
the world > life > biology > physical aspects or shapes > physical arrangement or condition > [adjective] > turned inwards, upwards, backwards, etc.
reflexeda1500
resupinated1661
nutant1751
nodding1776
resupinate1776
reversed1777
deflex1791
retrorse1818
deflexed1826
deflected1828
fornicate1828
invaginated1835
antrorse1838
invertile1853
posterial1866
retrorsal1870
invaginate1887
invaginable1888
the world > space > shape > curvature > types of curvature > [adjective] > backwards
recurve?a1425
recourbleda1492
recurvate1556
retorted1571
reflected1578
back-turneda1586
reflexed1597
recurved1598
reverteda1616
reflex1633
recurvous1713
retroflected1765
retrorsal1870
1870 T. Strangeways et al. Descr. Anat. Horse 123 They give off short bundles, which become attached to the retrorsal processes and inner surface of the lateral cartilages.
1923 U.S. Patent 1,454,537 1/2 An intermediate reflex or retrorsal loop.
This entry has been updated (OED Third Edition, March 2010; most recently modified version published online March 2022).
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adj.1840