locked 1 Adjective part of lock . Uncut; for example, mayonnaise sauce or custard. Homogeneous bound. Coherent; for example, a speech. 2 Applies to the cavalry that has white hands. Also, to the one that has whites a hand and a foot of different side. 3 Applied to people or animals, of patent nerves. Sinewy. Strong. V. locked syllable .