Fly fishing tackle comprises the fishing tackle or equipment typically used by fly anglers. Fly fishing tackle includes: A wide variety of Fly rods of different weights, lengths and material are used to present artificial flies to target species of fish as well as fight and land fish being caught.
So, basically, as a verb, to aspirate, means to suck, to inhale, to draw up into a container. As a noun, the term aspirate can be the collection of fluid that was removed from a joint, cyst, tumor, the stomach, etc.
Aspirin is a compound (2-acetoxybenzoic acid or acetyl salycilic  acid).     A compound. Elements are listed in the chemical element chart.