(history) A sovereign state and maritime republic in what is now northeastern Italy, which lasted from 697 AD until 1797 AD.

(number theory, recreational mathematics) A magic square of order n containing the numbers 1 to n² and where each 2 × 2 subsquare sums to 2s, where s = n² + 1, and all pairs of integers distant n/2 along a (major) diagonal sum to s.

plural of most-perfect magic square

noisy, opinionated people are often ignorant.

Alternative form of empty vessels make the most sound