n (physics) deformation of a physical body under the action of applied forces
n difficulty that causes worry or emotional tension
n a succession of notes forming a distinctive sequence
n (psychology) nervousness resulting from mental stress
n a special variety of domesticated animals within a species
n (biology) a group of organisms within a species that differ in trivial ways from similar groups
n injury to a muscle (often caused by overuse); results in swelling and pain
n the general meaning or substance of an utterance
n an effortful attempt to attain a goal
n an intense or violent exertion
n the act of singing
v to exert much effort or energy
v test the limits of
v use to the utmost; exert vigorously or to full capacity
v separate by passing through a sieve or other straining device to separate out coarser elements
v cause to be tense and uneasy or nervous or anxious
v become stretched or tense or taut
v remove by passing through a filter
v rub through a strainer or process in an electric blender
v alter the shape of (something) by stress