rictus /rikˈtəs/ (zoology)

1. The gape, esp of a bird
2. The chink or aperture of a lipped corolla
3. Unnatural gaping of the mouth, eg in horror

• redstarts
• redstreak
• redstreaks
• reds under the bed
• reds under the beds
• red tape
• red-tape
• red-tapism
• red-tapist
• red-tapists
• red tide
• red tides
• red-top
• redtop
• red-tops
• redtops
• reduce
• reduced
• reducer
• reducers
• reduces
• reduce to the ranks
• reducibilities
• reducibility
• reducible