What does the cryptic crossword clue "Spearhead stolen from tyrant’s warehouse (5)" mean?

The definition is "warehouse". The wordplay uses acrostic. DEPOT (deletion) + (deletion) = DEPOT; definition: "warehouse" The answer is DEPOT.

Spearhead stolen from tyrant’s warehouse (5)

Guardian Cryptic #29391 | 3 Down | 2024-05-24 flower