Weigh n. : A corruption of Way, used only in the phrase under weigh.

Weigh v. t. : To bear up; to raise; to lift into the air; to swing up; as, to weigh anchor.

Weigh v. t. : To examine by the balance; to ascertain the weight of, that is, the force with which a thing tends to the center of the earth; to determine the heaviness, or quantity of matter of; as, to weigh sugar; to weigh gold.

Weigh v. t. : To be equivalent to in weight; to counterbalance; to have the heaviness of.

Weigh v. t. : To pay, allot, take, or give by weight.

Weigh v. t. : To examine or test as if by the balance; to ponder in the mind; to consider or examine for the purpose of forming an opinion or coming to a conclusion; to estimate deliberately and maturely; to balance.

Weigh v. t. : To consider as worthy of notice; to regard.

Weigh v. i. : To have weight; to be heavy.

Weigh v. i. : To be considered as important; to have weight in the intellectual balance.

Weigh v. i. : To bear heavily; to press hard.

Weigh v. i. : To judge; to estimate.

Weigh n. : A certain quantity estimated by weight; an English measure of weight. See Wey.

Example:
What is the best time of day to Weigh yourself?

Taxonomy
weigh, Merriam-Webster Online Dictionary, Dictionary, webster, weigh anchor, Word Games, heaviness, weigh heavily, Webster Online Dictionary with audio pronunciations, thesaurus, weigh down, transitive verb, Middle English, Old English, glossary, english, language, ESL.

Defination from the web:
weigh from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... 2 : to merit consideration as important : count <evidence will weigh heavily against him> ...