something that incites or provokes; a means of arousing or stirring to action

to quarrel noisily, angrily or disruptively

an aggressive willingness to compete

observe with care or pay close attention to

a purposeful surveillance to guard or observe

advance notification (usually written) of the intention to withdraw from an arrangement of contract

dense coat of fine silky hairs on mammals (e.g., cat or seal or weasel)

a covering for the body (or parts of it) consisting of a dense growth of threadlike structures (as on the human head); helps to prevent heat loss

an open jar of glass or porcelain used as an ornament or to hold flowers

a person who poses for a photographer or painter or sculptor