American Sign Language: "investigate
/ research / check-into"
The idea behind this sign is to draw a "check" mark on your hand.
The actual movement however is very quick and relatively straight. The tip of the
right index finger quickly moves down and forward, glancing off the upturned
Note: if you mean "check" as in
"Write a check," -- see "CHECK (1)"
This version uses more of a digging movement. Think of an archeologist
digging into the dirt to investigate a fossil.
You can initialize this
sign to specifically make it mean "research."