Tethys /tēˈthis, tethˈis/

1. A sea nymph, wife of Oceanus
2. A sea that extended in Mesozoic times from Mexico across the middle Atlantic and the Mediterranean into the centre of Asia (geology)
3. The third natural satellite of Saturn

• full sister
• full-speed
• full split
• full-split
• full steam ahead
• full stop
• full stops
• full-summed
• full-throated
• full tilt
• full-tilt
• full time
• full-time
• full-timer
• full-timers
• full toss
• full to the gunwales
• full up
• full-voiced
• full whack
• full-winged
• fully
• fully-fashioned
• fully-fledged
• fulmar