timber - trees in a forest regarded as a source of wood. / material wood, (UK) timber, (US) lumber - wood that has been pre-cut and is ready for use in construction.

join two materials, such as two pieces of wood, two pieces of cloth, or wood and cloth

connect or piece together separate things / splice film / set bones / graft trees

to use / to employ / to make use of, to apply / to spend

two things [small or without a counter category]

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

to use one's head

use one thing for many purposes / work someone hard