建築用材,木材,木材桁構
Timbering \Tim"ber*ing\, n. The act of furnishing with timber; also, timbers, collectively; timberwork; timber. Timber \Tim"ber\, v. t. [imp. & p. p. {Timbered}; p. pr. & vb. n. {Timbering}.] To furnish with timber; -- chiefly used in the past participle. His bark is stoutly timbered. --Shak.