What is the meaning of Timmer?

timber

dim, dark

building, construction (especially of wood)

act of building

material that a building is built out of

building, construction

construction work

room, chamber

act of building or carpentry

building material

inflection of timmeren:

1. first-person singular present indicative
2. (in case of inversion) second-person singular present indicative
3. imperative

first-person singular present indicative

(in case of inversion) second-person singular present indicative

imperative

timber, log to be used in construction

Source: wiktionary.org