To lay hold on] to seize, especially
with the hand; to grasp (anything) in motion, with the effect of
holding; as, to catch a ball.
To seize after pursuing; to arrest;
as, to catch a thief.
To take captive, as in a snare or net,
or on a hook; as, to catch a bird or fish.
Hence: To insnare; to entangle.
To seize with the senses or the mind;
to apprehend; as, to catch a melody.
To communicate to; to fasten upon; as,
the fire caught the adjoining building.
To engage and attach; to please; to
charm.
To get possession of; to
attain.
To take or receive; esp. to take by
sympathy, contagion, infection, or exposure; as, to catch
the spirit of an occasion; to catch the measles or
smallpox; to catch cold; the house caught
fire.
To come upon unexpectedly or by
surprise; to find; as, to catch one in the act of
stealing.
To reach in time; to come up with;
as, to catch a train.
In celebration of Noah Webster's Birthday (October 16, 2009), we have prepared an updated website. 
