aroliumn.

Brit.

/əˈrəʊlɪəm/, U.S.

/əˈroʊliəm/

Inflections: Plural arolia.

Origin: A borrowing from Latin. Etymon: Latin arolium.

Etymology: < scientific Latin arolium ( C. L. Nitzsch Allgemeine Encyclopädie der Wissenschaften und Künste (1818) I. 249/1), of uncertain origin; perhaps < post-classical Latin arolius , arrolius roll of cloth (1470 in a Spanish source) < Spanish arrollar to roll, earlier form (compare arrullar (1461)) of arrojar ( < post-classical Latin rotulare : see roll v.¹) + classical Latin -ius, suffix chiefly forming adjectives.

Zoology (chiefly Entomology).

In the feet of various arthropods, esp. insects and mites: a membraneous pad or lobe located between the tarsal claws, assisting in gripping surfaces.

ΚΠ

1854 W. I. Burnett tr. C. T. E. von Siebold Anat. Invertebrata xiii. ii. 370 Numerous parasitic Acarina have, between the nails, a small organ (Arolium), by which, as with a sucker, they can attach themselves to foreign bodies.

1895 Cambr. Nat. Hist. V. 105 Between the claws there is frequently a lobe or process,..varied in different insects, called empodium, arolium, palmula, plantula, pseudonychium, or pulvillus.

1923 A. D. Macgillivray External Insect Anat. vi. 272 A large emarginate arolium.

2009 Adv. in Appl. Mech. 43 132 The arolium is controlled by a single retractor muscle.

This is a new entry (OED Third Edition, June 2014; most recently modified version published online March 2022).

单词	arolium
释义	aroliumn. Brit. /əˈrəʊlɪəm/, U.S. /əˈroʊliəm/ Inflections: Plural arolia. Origin: A borrowing from Latin. Etymon: Latin arolium. Etymology: < scientific Latin arolium ( C. L. Nitzsch Allgemeine Encyclopädie der Wissenschaften und Künste (1818) I. 249/1), of uncertain origin; perhaps < post-classical Latin arolius , arrolius roll of cloth (1470 in a Spanish source) < Spanish arrollar to roll, earlier form (compare arrullar (1461)) of arrojar ( < post-classical Latin rotulare : see roll v.¹) + classical Latin -ius, suffix chiefly forming adjectives. Zoology (chiefly Entomology). In the feet of various arthropods, esp. insects and mites: a membraneous pad or lobe located between the tarsal claws, assisting in gripping surfaces. ΚΠ 1854 W. I. Burnett tr. C. T. E. von Siebold Anat. Invertebrata xiii. ii. 370 Numerous parasitic Acarina have, between the nails, a small organ (Arolium), by which, as with a sucker, they can attach themselves to foreign bodies. 1895 Cambr. Nat. Hist. V. 105 Between the claws there is frequently a lobe or process,..varied in different insects, called empodium, arolium, palmula, plantula, pseudonychium, or pulvillus. 1923 A. D. Macgillivray External Insect Anat. vi. 272 A large emarginate arolium. 2009 Adv. in Appl. Mech. 43 132 The arolium is controlled by a single retractor muscle. This is a new entry (OED Third Edition, June 2014; most recently modified version published online March 2022). < n.1854
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