Definition of Laches:

part of speech: noun

A law term, meaning neglect or negligence; inexcusable delay.

Usage examples:

• Upon their return to Rhegium they found the Athenian general, Pythodorus, son of Isolochus, come to supersede Laches in the command of the fleet. Thucydides in "The History of the Peloponnesian War".

• Laches moved, in the name of the good luck of the Athenians, that they should conclude the armistice upon the terms agreed upon by the Lacedaemonians and the allies. Thucydides in "The History of the Peloponnesian War".

• Learning also that the Athenians were sending an embassy to Camarina, on the strength of the alliance concluded in the time of Laches to gain, if possible, that city, they sent another from Syracuse to oppose them. Thucydides in "The History of the Peloponnesian War".