Similar words
taladro
taladro is the more common, modern word for "drill," a power tool; barrena is more traditional, a hand drill, auger, or boring tool.
Similar in other languages
Portuguese
furadeira
furadeira is the Portuguese word for the same thing — both mean "drill."
Practice
1 What does barrena mean?
drill
2 Fill the gap: Usó una ___ para el agujero.
Full sentence: Usó una barrena para el agujero. (He used a drill for the hole.)
3 Which fingerprint chart matches barrena?
barrena: neutral register, academic frequency, general domain, neutral connotation.