night·hawk 
(nīthôk′)
(nīthôk′)n.
1. Any of several nightjars found throughout the Americas, having grayish-brown plumage that mimics leaves on the forest floor, especially Chordeiles minor. Also called bullbat, mosquito hawk.
2. Informal A night owl.
- discographical
- discography
- discoid
- discoidal
- discolor
- discoloration
- discombobulate
- discombobulation
- discomfit
- discomfiture
- discomfort
- discomfortable
- discomfortingly
- discommend
- discommendable
- discommode
- discompose
- discomposedly
- discomposure
- disconcert
- disconcertingly
- disconformity
- disconnect
- disconnected
- disconnectedly