from
The Collaborative International Dictionary of English v.0.48
Uhlan \Uh"lan\, n. [G. uhlan, Pol. ulan, hulan, from Turk.
ogl[=a]n a youth, lad; of Tartar origin.] [Written also
{ulan}, and formerly {hulan}.]
1. One of a certain description of militia among the Tartars.
[1913 Webster]
2. (Mil.) One of a kind of light cavalry of Tartaric origin,
first introduced into European armies in Poland. They are
armed with lances, pistols, and sabers, and are employed
chiefly as skirmishers.
[1913 Webster]