الشرطة لقت سلاح.

الشرطة means the police as an institution or force, not one individual officer.

If you want to say a policeman, that is شرطي.
If you want to say the policewoman, that is شرطية.

So in this sentence, الشرطة refers to the police as a group/organization.

Because الشرطة is grammatically feminine singular in Arabic.

Even though the police refers to many people in real life, the word شرطة is treated as a singular feminine noun. So the verb agrees with it and appears in the 3rd person feminine singular form:

• لَقَت / لِقِت / لْقِت depending on dialect/pronunciation traditions

So the agreement in the sentence is normal:

• الشرطة لقت = the police found

لقت is a Levantine colloquial past-tense verb meaning found.

It is not the most formal or Standard Arabic way to say this. In everyday Levantine, this kind of verb is very common. The exact pronunciation can vary by region, but in this sentence it functions simply as found.

Because the subject الشرطة is feminine singular, the verb is also in the feminine singular past form.

Arabic does not have a separate word for the English indefinite article a/an.

A noun without ال is usually indefinite, so:

• سلاح = a weapon / weapon
• السلاح = the weapon

So سلاح here is indefinite, which is why the English meaning is a weapon.

Because السلاح would mean the weapon, meaning a specific weapon already known from context.

But سلاح without ال is indefinite, so it means a weapon or some weapon. In this sentence, the speaker is not pointing to one specific already-known weapon, so the indefinite form is used.

In everyday Levantine, subject–verb–object order is very common:

• الشرطة لقت سلاح = The police found a weapon

You can also get verb-first order in Arabic, especially in more formal styles or narrative language:

• لقت الشرطة سلاح

So the sentence you have is very natural for spoken Levantine.

This is Levantine colloquial Arabic, not full Standard Arabic.

A more Standard Arabic version would be something like:

• وجدت الشرطة سلاحًا
• or عثرت الشرطة على سلاح

So this sentence is useful for everyday speech, while the Standard versions are what you are more likely to see in formal news writing or textbooks.

Because this is colloquial Levantine, and colloquial Arabic normally does not use the case endings you see in Standard Arabic.

In Standard Arabic, you might see:

• سلاحًا

But in Levantine speech and informal writing, those endings are dropped:

• سلاح

So the sentence looks shorter and sounds more natural in dialect.

The ال in الشرطة is affected by the letter ش, because ش is a sun letter.

That means the l sound of ال is not pronounced clearly. Instead, it assimilates to the next consonant. So الشرطة is pronounced roughly like:

• esh-shurṭa
• or ish-shurṭa

not al-shurṭa.

Also, the ط is an emphatic t sound, which is heavier/darker than a normal t.

In many Levantine accents, ق is often pronounced as a glottal stop ء rather than a full q sound.

So لقت may sound roughly like:

• laʔat
• leʔet
• or another close regional variant

The exact vowels can vary from one Levantine area to another, but the important thing for learners is that ق often does not sound like a hard q in everyday speech.

So even though it is written with ق, you will often hear something closer to a pause-like sound in the middle of the word.