I'm a good girl, I am; and if you got anything to in-sinuate; if-

This genus is especially noted for its sinuate gills.

The cap has the margin incurved, the gills have a tooth (sinuate), and are adnexed to the stem.

There was a sudden spurting rush of water, and something sinuate and very quick punched in and out of Tanner's vision.