| Spanish | English | |
|---|---|---|
| Common | ||
| Common | acero [m] | steel |
| Common | acero [v] | first-person singular present indicative of acerar |
| General | ||
| General | acero [m] | each type of steel |
| General | acero [m] | sword |
| General | acero [m] | bladed weapon |
| General | acero [m] | arms |
| General | acero [m] | spirit |
| General | acero [m] | courage |
| General | acero [m] | edged/pointed small arms |
| General | acero [m] | bladed weapon |
| General | acero [m] fig. | sword |
| General | acero [m] fig. | weapon |
| General | acero [m] disused | tempering or cutting of a blade |
| General | acero [m] rare | vigor |
| General | acero [m] rare | zest |
| General | acero [m] rare | boldness |
| General | acero [m] disused | ferruginous water |
| Colloquial | ||
| Colloquial | acero [m] disused | appetite |
| Engineering | ||
| Engineering | acero [m] | steel |
