1. topcoat - Noun
2. topcoat - Verb
An outer coat; an overcoat.
Source: Webster's dictionaryA guards coat was also once popular, and a lighter topcoat can be worn in summer. Source: Internet
The gold paint maintaining a satisfying shine that is accented by black-painted trim that still holds all its topcoat. Source: Internet
It was bitterly cold during his inauguration day but the macho man ignored the advice to put on a hat and a topcoat. Source: Internet
Finish up with at least two layers of fiberglass topcoat, waiting for it to dry between applications. Source: Internet
You may need to wait up to couple hours for the regular polish to fully dry before you apply the gel topcoat. Source: Internet
If you can't find these, Sally Hansen offers a matte topcoat that you can use over regular polish to achieve this look. Source: Internet