midshipman's butter

The delicious fruit did go by a host of other, more Europeanized calling cards over the centuries, having been known as the aguacate to the Spanish and “midshipman’s butter” to English sailors.

It is about the size and shape of a large pear; Ð called also avocado pear, alligator pear, midshipman's butter.

With regard to the necessary commissariat arrangements, he pointed out that there were abundant Avocado pear trees in the vicinity, which would furnish "Midshipman's butter," whilst the bread-fruit tree would satisfactorily replace the baker, and the Aki fruit form an excellent substitute for eggs.