What is the meaning of Serrare?

inflection of serrar:

1. first/third-person singular pluperfect indicative
2. first/third-person singular imperfect preterite subjunctive

first/third-person singular pluperfect indicative

first/third-person singular imperfect preterite subjunctive

to close, shut (tightly)

to clamp

inflection of serrō:

1. present active infinitive
2. second-person singular present passive imperative/indicative

present active infinitive

second-person singular present passive imperative/indicative

first/third-person singular future subjunctive of serrar

Source: wiktionary.org