tom·cod 
(tŏmkŏd′)
(tŏmkŏd′)n. pl. tomcod or tom·cods
Either of two edible marine fishes, Microgadus tomcod of North American Atlantic waters or M. proximus of northern Pacific waters, closely related to and resembling the cod.
- secondary structure
- secondary succession
- secondary syphilis
- secondary tissue
- second banana
- second base
- second baseman
- second best
- second-best
- second blessing
- second childhood
- second class
- second-class
- second class
- Second Coming
- second cousin
- second-degree burn
- Second Empire
- second fiddle
- second-generation
- second growth
- second-guess
- second-guesser
- second hand
- second hand