The most common and most likely answer to this crossword clue is the 3 letter word COS
C
O
S
More clues leading to the result COS
- A function that begins explanation informally?
- Type of lettuce company sold, initially
- Greek island's salad ingredient
- Company on small Greek island
- Leaves casually, for function
- Reduced price for lettuce
- Price cut for lettuce
- An island, not an iceberg
- They order the troops salad
- Island with crows regularly disappearing
Buddy explains!

The straight part
We know that "Type of lettuce" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case type of lettuce = cos.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does COS mean?
COS noun- A variety of lettuce with long, crisp leaves.
- Because
- A cousin, cuz.
- A team; a group of people who work together professionally.
- A small group of birds or animals.
- An entity having legal personality, and thus able to own property and to sue and be sued in its own name; a corporation.
- Any business, whether incorporated or not, that manufactures or sells products (also known as goods), or provides services as a commercial venture.
- Social visitors or companions.
- Companionship.