sea·grass 
(sēgrăs′)
(sēgrăs′)n.
Any of various submersed marine grasslike plants that grow in shallow coastal waters.
- betterment
- better off
- better-off
- bettor
- betty
- Betty
- "Betty."
- "Betty."
- Betty Naomi
- between
- between a rock and a hard place
- betweenness
- between Scylla and Charybdis
- between the devil and the deep blue sea
- betweentimes
- between two fires
- betwixt
- betwixt and between
- scotophobia
- scotopia
- scotopic
- Scots
- Scots Gaelic
- Scots-Irish
- Scotsman