hylc
This might be just a supplemental entry substituting part of an entry in the Main Volume.
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
hylc
Substitute: I. a bend, winding, tortuous way; anfractus (cf. anfractum, iter tortuosum vel difficile, Corp. Gl. H. 18, 657) Stíge mistlicum hylcum dweliende (a recto) tramite errabundis anfractibus exorbitant. An. Ox. 3696 : Wrt. Voc. ii. 9, 54. Fram stíge geond wóge hylcas on þá swýþran hand búgende a tramite per obliquos anfractus dextra (levaque) declinantia, 3427. II. an inequality of surface, a hump, roughness of land Ábrocen land vel hilcas (-es, MS.) anfractus, Wrt. Voc. i. 55, 12. Wóge sméþiende hylcas salebrosos (i. asperos) conplanans anfractus. An. Ox. 1772. Hyllceas, 4, 28. [v. N. E. D. hulch a hump.] v. ge-hylced.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.