In cena lanx magna in mensa ponitur, et in ea mala, caseus, atque panis iacent.

They both use in + ablative, but the meaning depends on context.

• in cena = at dinner / during the meal
• in mensa = on the table

With the ablative, in usually shows location or setting, not motion toward something.

A useful contrast is:

• in mensa = on/in the table in the sense of location
• in mensam = onto the table in the sense of motion

So here both phrases are static: the platter is already being set on the table, and the scene is happening at dinner.

Because lanx is in the nominative singular, which is the normal case for the subject.

• lanx = dish / platter
• magna = large

The adjective magna agrees with lanx in:

• gender: feminine
• number: singular
• case: nominative

So lanx magna means a large platter and is the thing that is placed.

In Latin, adjective position is much freer than in English.

Both of these are possible:

• lanx magna
• magna lanx

Both mean a large platter.

Sometimes word order can add emphasis or style, but in a simple sentence like this, the main point is that magna agrees with lanx. A learner should focus more on the endings than on trying to force English word order onto the Latin.

Ponitur is the 3rd person singular passive of ponere, meaning to place or to put.

So:

• ponit = he/she/it places
• ponitur = it is placed

Latin often uses the passive when the doer is not important or is obvious from context. Here the sentence is describing the scene, not telling us who is setting the platter down.

So lanx magna in mensa ponitur means a large platter is placed on the table or more naturally a large platter is set on the table.

Because in takes the ablative when it means in/on/at a place where something is located.

Here:

• mensa is the ablative singular of mensa
• in mensa means on the table

If there were motion onto the table, Latin would normally use the accusative:

• in mensam = onto the table

So the ablative tells you this is location, not movement toward.

Ea is the feminine singular ablative form of the pronoun is, ea, id, meaning he, she, it or that.

Because it is feminine singular, it could grammatically refer to either:

• lanx = platter
• mensa = table

But the sense of the sentence strongly suggests it refers to lanx, the platter:

• a large platter is placed on the table
• and on it lie apples, cheese, and bread

That is the most natural interpretation: the food is lying on the platter, not just directly on the table.

Because Latin in can mean either in or on, depending on the object and the context.

For example:

• in urbe = in the city
• in mensa = on the table
• in ea here = on it

English chooses on because a platter or table is a surface. Latin still uses in.

So this is a good example of why Latin prepositions should be learned by usage, not by a single fixed English equivalent.

Because the subject of iacent is a compound subject:

• mala
• caseus
• panis

Together, these mean apples, cheese, and bread, so the verb is plural:

• iacet = lies for one thing
• iacent = lie for more than one thing

Even though caseus and panis are singular forms individually, the whole list counts as more than one item, so the plural verb is correct.

They are all nominative, because they are the things that lie on the platter.

• mala = nominative plural neuter
• caseus = nominative singular masculine
• panis = nominative singular masculine

Even though the forms are mixed in number, they are joined together as a list, and that whole list is the subject of iacent.

No—mala is exactly what you should expect.

Malum meaning apple is a neuter second-declension noun. Neuter nouns have:

• nominative singular in -um
• nominative plural in -a

So:

• malum = apple
• mala = apples

This is a very common Latin pattern. Compare:

• templum → templa
• verbum → verba

Yes, both can mean and.

In a sentence like this, the difference is mostly stylistic. Latin often varies its connectives instead of repeating the exact same word over and over.

So:

• et = and
• atque = and, sometimes with a slightly stronger or smoother connecting sense

In this sentence, you do not need to force a big distinction. A beginner can safely understand both as and.

To an English speaker, yes—but it is normal Latin.

Latin word order is much freer because the endings show the grammatical roles. English depends much more on position.

Here the sentence is arranged something like this:

• setting: In cena
• subject: lanx magna
• location: in mensa
• verb: ponitur

Then:

• connector: et
• location: in ea
• subject list: mala, caseus, atque panis
• verb: iacent

This kind of order lets Latin present the scene gradually. The most important skill is to follow the cases and the verb endings, not just the left-to-right order.