The most common vernacular for it would be wolf-whistleing. http://en.wikipedia.org/wiki/Wolf-whistling
The quality of an action designed to prevent something unpleasant or dangerous from occurring.
A whistle can symbolize urgency, warning, or attention. In literature, it may represent a call to action, a signal of danger, or a means of communication. Whistles can evoke themes of alertness, readiness, or the need to pay attention.
an amoeba is engulfing its food
friction
To obstruct is a verb meaning to block, impede or otherwise hinder an action from occurring. The noun version of this word is obstruction, something that obstructs. Obstructor is a lesser-used version of obstruction.
Yes, "happen" is an action verb because it refers to an action or an event taking place. It describes the occurrence of something taking place or coming to pass.
looking
meaning of transcient
in englis what is the meaning of action and linking?
. . . a strong looking action girl .
You use it to describe an action that is occurring - the woodsman's axe is cleaving the tree.
Meaning is what is expressed by a word, text, concept, or action.