(idiomatic, humorous, informal) Synonym of get one's knickers in a twist

(medicine) The fertilization of an egg by sperm outside of a woman's body; normally used as a treatment for infertility.

(obsolete) In respect to kind / (law, finance) In the actual form, especially in the context of a distribution of assets or a loan repayment.

plural of brother-in-law

(chiefly Britain, of training etc.) Taking place when one is an employee. / Relating to or being a full-time employee.

(transitive) To train or educate (someone) while they are working; to give on-the-job training to.

(chiefly Britain) Employed as a domestic servant. / (chiefly US and Canada) Available for use; operational.

(idiomatic, euphemistic) Naked.

Alternative spelling of commander in chief

In ample natural illumination, during the daytime. / (figuratively) In a blatant and publicly visible manner.