Rille (zn):
cannelure(en) architecture: vertical groove in a pillar.
(en) helical groove going up a drill bit., groef(en) helical groove going up a drill bit.
(en) architecture: vertical groove in a pillar., spiraalgroef(en) architecture: vertical groove in a pillar.
(en) helical groove going up a drill bit., inkerving(en) long, narrow channel.
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