dot·tle 
(dŏtl)
(dŏtl)n.
The plug of tobacco ash left in the bowl of a pipe after it has been smoked.
[From DOT1, lump (obsolete).]
- sech
- Sechuana
- Sechuana
- Seckel pear
- seclude
- secluded
- secludedly
- seclusion
- seclusive
- seclusively
- secobarbital
- second
- second
- Second Advent
- secondarily
- secondariness
- secondary
- secondary accent
- secondary battery
- secondary cell
- secondary color
- secondary consumer
- secondary electron
- secondary emission
- secondary growth