Sentence:  Let him forecast his work with timely care, / Which else is <WSD>huddled</WSD> when the skies are fair. 
Meaning of the word marked with <WSD> tags:  To do, make, or put, in haste or roughly; hence, to do imperfectly; usually with a following preposition or adverb ("huddle on", "huddle up", "huddle together").