
1) American music magazine 2) American quarterly magazine 3) Archaeology of Sweden 4) Enjoys, mod style 5) Furrows 6) Musical cuts 7) Needle locales 8) Phonograph-needle pathways 9) Record tracks 10) Routines 11) Slots cut with a chisel 12) Spots for needles
Found on
https://www.crosswordclues.com/clue/grooves

1) Dadoes
Found on
https://www.crosswordclues.com/clue/grooves
[archaeology] There are grooves (sliprännor, slipskåror) carved into rock in many places in Europe, and some of them appear on the Baltic Sea island of Gotland. They are common in France, where they were used to polish stone axes. In Sweden, there are also grooves in north-western Scania and Halland. In Gantofta located 14 km south of Hel...
Found on
http://en.wikipedia.org/wiki/Grooves_(archaeology)
[magazine] Grooves is an American electronic music magazine founded in 1999 by editor Sean Portnoy, initially concentrating on the then-burgeoning IDM music genre and expanding to its more experimental, abstract offshoots, such as microsound, microhouse and glitch, eventually encompassing a global view of musicians and cross-cultural influe...
Found on
http://en.wikipedia.org/wiki/Grooves_(magazine)

Guide channels cut into the ice at the starting area, allowing a sled to follow a straight line during the push start.
Found on
http://www.cbc.ca/olympics/history/story/2009/11/25/spo-glossary-bobsleigh.

The grooves are the channels in a barrel that lie between the lands. Ideally, the diameter of a bullet should be the same or slightly smaller than the diameter of a circle that fits around the bottom of the grooves.
Found on
http://www.riflesintheuk.com/glossary.htm
No exact match found.