mæsse
This might be just a supplemental entry adding to an entry in the Main Volume.
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
mæsse
: I. AddSe Hǽlend gehálgode hláf and wín tó húsle . . . and þá wæs seó mæsse ásteald þurh Críst, Hml. A. 71, 158. Gyf þú mæssan hacelan habban wille, þonne stríc þú mid tósprǽddum handum niþer ofer þíne breóst, Tech. ii. 119, 25. Gif þú (cf. se mæssepreóst, 18) wille mé hwylce þearfe gegearwian, geoffra þysne hláf þám ælmihtigan Gode for mé æt þínre mæssan. tó þon þú geþingie mínum synnum. Gr. D. 348, 28. I a. a particular instance of the service, a mass :-- Ðaet ę́ghwilc mæsseprióst gesinge fore Ósunlfes sáwle twá messan, C. D. i. 293, 31. Wæs his gewuna þæt hé wolde ǽlce dæge habban twá mæssan, bútan hit má wǽre . . . Ðá cwæð hé tó his geféran hit betere wǽre hig þá mæssan hæfdon, Vis. Lfc. 63-67. I b. the service held on a saint's or martyr's day, a (person's) mass :-- Sćĭ Rufi mæsse biþ geméted on þám yldran mæssebócum, Shrn. 121, 30. Sśă Sabine mæsse bið geméted on þám níwran bócum, 123, 17 : 124, 33. v. heáh-mæsse.
This is a supplementary entry with editorial changes to an entry in the main volume of the dictionary. Look under the 'Possibly connected entries' below, or for the same headword in the list to the left.

A Combined List of Abbreviations.

Abbreviation not recognized. See:

A Combined List of Abbreviations.