plural of assembly line

(software compilation) The replacement by a compiler of a function call with a copy of the entire function body, sometimes used as an optimization.

(rare) A line or rope held by one or many pickets, chiefly one used for tethering horses. / (military, rare) A barrier or fortification formed by pickets; a stockade.

(UK politics) A directive to MPs from party leaders to vote in a particular way in parliament, despite what the MP might believe or what his or her constituents might like.

plural of double yellow line

(anatomy, immunology) A rounded mass or group of small nodules of lymphatic tissue that cover the base of the tongue just anterior to the epiglottis.

(Internet) A scheme of reciprocal linking whereby two or more websites link to one another to increase traffic.

plural of service line

plural of supply line

(rugby) an imaginary line running across the pitch perpendicular to the touchline and passing through the breakdown or set piece. The subsequent phase is said to have passed "over the gain line" if the gain line at the subsequent breakdown is in front of the last, or "behind the gain line" if it is behind.