spotting

noun

in weight or resistance training, the act of supporting another person during a particular exercise, with an emphasis on allowing the participant to lift or push more than they could normally do safely
act or process of discovering, seeing
act of dabbing, creating a spot on something

A spotted pattern.
“Symptoms consist of various foliage spottings and blotchings.”
The act of spotting or sighting something.
“Although the NVA went to great lengths to conceal the locations of their artillery, they had to expose them at the time of firing. Less reliable than visual spottings were electronic intercepts […]”
Vaginal spotting, the discharge of blood from the vagina at a time outside of one's usual menses.
“Subchorionic bleeding […] can cause light to heavy spotting but doesn't always (sometimes it is only detected during a routine ultrasound).”