ELGAR, an isle, in the parish of Shapinshay, county of Orkney. This place, also called Eller-Holm, lies a little southward of the island of Shapinshay, from which it is separated by a reef of rocks that are almost dry at low water. It furnishes pasture for a number of sheep and young cattle in summer, and by its favourable situation gives the utmost security to the fine harbour of Elwick. There are evident marks of its having been formerly inhabited, though at present no one resides upon it.