aciclen.
/ˈasᵻkl/, U.S. /ˈæsək(ə)l/ Zoology and Botany.
= acicula n.
ΘΚΠ
the world > plants > part of plant > thorn or prickle > [noun]
thornc950
pileOE
prickOE
pikec1300
spine1430
pricklec1484
brodc1550
sting1567
point1604
spears1607
stob1637
pin1650
pricket1663
spinet1672
aculeus1702
pricker1743
spicula1753
acicula1784
acicule1800
acicle1852
thornlet1882
sticker1889
the world > life > biology > physical aspects or shapes > projection or protuberance > [noun] > pointed projection > spine
spine1430
spininess?1611
spinule1752
acicula1784
acicule1800
aculeation1806
spinula1826
acicle1852
spinescence1859
the world > animals > animal body > general parts > covering or skin > [noun] > hard or protective covering > spine
pikec1300
thornc1300
awl1340
prickle1567
prick1631
spine1753
acicula1784
acicule1800
acicle1852
1852 J. D. Dana in Proc. Acad. Nat. Sci. Philadelphia 1850–51 5 268 The 2d joint of the outer antennæ [in certain hermit crabs] is complete on the upper side, and there is no movable appendage or acicle (a name we give to the so-called palpus, in allusion to its form).
1893 T. R. R. Stebbing Hist. Crustacea iv. 38 In some Crustacea, the scale, though present, has not a laminar character, and it is then spoken of as the acicle.
1913 Trans. Kansas Acad. Sci. 1912 25 80 Trees with acerose leaves (acicles or needles) singly or in fascicles.
1962 A. R. Clapham et al. Flora Brit. Isles (ed. 2) 372 The quantity of stalked glands, acicles and pricklets present on the stem varies much.
1997 R. W. Ingle Crayfishes, Lobsters & Crabs Europe viii. 92 Eyestalks..long; ocular acicles..curved and with serrated margins.
This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021).
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n.1852