The most common and most likely answer to this crossword clue is the 9 letter word SURROGATE
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More clues leading to the result SURROGATE
- Substitute old piece in county briefly
- Replacement Eurostar finally moving after alteration
- Age or rust sadly - replacement required?
- Certain to include, after reflection, label or substitute
- Broken-down Eurostar at last getting replacement
- Substitute rat with grouse in a stew
- Art rogues knocked off substitute
- One standing in Eurostar, nervously protective of girl initially
- Replacement rug a store ordered
- Identify men about to block certain replacement
Buddy explains!

The straight part
We know that "Replacement" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case replacement = surrogate.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 SURROGATE mean?
SURROGATE noun- A substitute (usually of a person, position or role).
- A person or animal that acts as a substitute for the social or pastoral role of another, such as a surrogate parent.
- A deputy for a bishop in granting licences for marriage.
- A politician or person of influence campaigning for a presidential candidate.
- A judicial officer of limited jurisdiction, who administers matters of probate and interstate succession and, in some cases, adoptions.
- Any of a range of Unicode codepoints which are used in pairs in UTF-16 to represent characters beyond the Basic Multilingual Plane.
- An ersatz good.
- To replace or substitute something with something else; to appoint a successor.
- Of, concerning, relating to or acting as a substitute.
- A unique identifier for an entity or object, not derived from application data.