Obs. Also -illo. [Sp., dim. of armada; like that erroneously with -o.] a. A small fleet of ships of war. b. A small war-vessel.
1697. Dampier, Voy. (1729), I. 30. In company of 11 Armadilloes, which are small Vessels of War.
1753. Chambers, Cycl. Supp., Armadilla, in the Spanish America, denotes a squadron of men of war, to the number of six or eight.