Lactantius, Glosses (Placidus)

Ausim I may dare is a verb of the permissive mood, as if you would say 'I may dare to speak' or 'I may dare to recite': the first person of which verb is audeo I dare, and it is said: ausim, ausis, ausit, or audebit he will dare.
Aesculus oak is the name of a mast-bearing tree, said from aesca food/bait, because before the use of grain, this tree provided food to mortals.
Arctos the Bear/North is the star of the bear placed in the north. It is a Greek name, because the bear is called ἄρκτος arktos in Greek. Therefore, it stands for the northern stars.
Amphitrite is the goddess of the sea, the wife of Neptune.
Alapari to threaten with blows is to threaten with slaps, that is, with foul and proud violence; or for boasting.
Adoleuit he grew up is a verb that signifies 'he grew'. For adoleo to grow is to grow, whence young men are called adults, being in the flower of age and positioned in the growth itself.
Admodum quite/very, very. It is an adverb of confirming or approving.
Adorea glory/victory-bread, bread made of ador spelt/grain and military praise.
Adsentiae agreements, assents, that is, agreements. As if someone says something to you and you assent to him, those very things are named adsentiae.
Achates agate is a stone of the color of, as it were, galbanum a gum resin, growing mostly in the Achates, a river of Sicily, pertaining to charm and consecrated to Venus.