The Collaborative International Dictionary of English v.0.48:
Timber \Tim"ber\, v. t. [imp. & p. p. Timbered; p. pr. & vb. n. Timbering.] To furnish with timber; -- chiefly used in the past participle. [1913 Webster] His bark is stoutly timbered. --Shak. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Timbering \Tim"ber*ing\, n. The act of furnishing with timber; also, timbers, collectively; timberwork; timber. [1913 Webster]