upsweep

Short definition from Wiktionary

Noun

1. 1
   An upward sweep or curve.
2. 2
   The upward motion of a swimmer's arm.
3. 3
   A hairstyle where most of the hair is fastened into place at the top of the head.
4. 4
   The unidentified sound detected on the American NOAA's equatorial autonomous hydrophone arrays, consisting of a long train of narrow-band upsweeping sounds of several seconds in duration.

Verb

1. 1
   To sweep or curve upwards.